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A Fuel Filling Station is a location that produces air pollution due to transportation activities. The use of motorized vehicles will produce various pollutants including NO2 and SO2. Public Fuel Filling Station (SPBU) officers are a group of workers who play an important role in helping to provide services and provide fuel needs for public transportation. However, these officers also have the risk of being exposed to hazardous chemicals, especially motor vehicle gas emissions such as SO2 and NO2 produced by vehicles that will refuel. This study aims to determine the quality of Sulfur Dioxide (SO2) and Nitrogen Dioxide (NO2) in Ambient Air at SPBU 84-97104 Passo. This type of research is descriptive research, this research is supported by examination using the Midget Impinger tool. The population in this study is the entire ambient air at SPBU 84-97104 Passo. The samples in this study are the parameters of Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2) which will be measured at the measurement points that have been determined according to SNI 19-7119.6-2005 concerning Determination of Sampling Locations for Ambient Air Quality Monitoring Tests. The results of NO2 and SO2 measurements carried out at gas station 84-97104 which were carried out for 1 hour obtained NO2 measurement results of 10.50 µg/m3 and SO2 30.37µg/m3 which means that it meets the requirements according to the standard quality for Nitrogen Dioxide 200 µg/m3, and Sulfur Dioxide quality 150 µg/m3 according to the Regulation of the Minister of Health of the Republic of Indonesia No. 2 of 2023. Based on the results of NO2 and SO2 measurements carried out at gas station 84-97104 which were carried out for 1 hour, the NO2 measurement results met the requirements according to the Regulation of the Minister of Health of the Republic of Indonesia No. 2 of 2023. Concentration of Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), Ambient Air, Fuel.

Microplastics have emerged as a serious threat to tropical marine ecosystems in Indonesia, particularly in coastal areas with dense populations, major river estuaries, and busy shipping routes. This study aims to develop a predictive model of microplastic dispersion using partial differential equations based on ocean current data. The data set includes ocean currents derived from satellite imagery, global oceanographic models, and field observations, combined with information on microplastic sources from coastal human activities. The modeling process was conducted through numerical simulations using the finite difference method, taking into account geographic boundary conditions and numerical stability. The results indicate that the spatial distribution of microplastics is strongly influenced by seasonal current patterns closely associated with the Asian-Australian monsoon system. Microplastic concentrations tend to increase in areas with closed circulation and complex marine topography, with the highest accumulation identified in the Makassar Strait and the Java Sea. These findings highlight the critical role of ocean currents and other oceanographic factors in governing the transport and accumulation of microplastics in tropical seas. Ecologically, the outcomes suggest serious risks for coastal ecosystems, marine biodiversity, and the fisheries sector that supports Indonesia’s coastal communities. The implications of this study emphasize the need for more comprehensive marine environmental management strategies, strengthened field monitoring, and the integration of scientific models into plastic pollution control policies.

  The current warming trend is a negative externality of human activities since the mid-1800s and is proceeding at a pace unprecedented over the past millennia, such as increased energy consumption leading to an increase in the concentration ofCO2 gas and other gases in the atmosphere. CO2 gas has the largest contribution to global warming at about 56%. Increased energy consumption that causes an increase inCO2 gas because the use of energy consumption in Indonesia is still dominated by fossil energy consumption produced from fossil fuels and often uses technology that is not environmentally friendly so that it can trigger an increase in Greenhouse Gas (GHG) emissions which is the largest contributor to global warming. In response to this warming trend, Indonesia has ratified the Kyoto Protocol in 1997 into Law Number 17 of 2004 and the Paris Agreement into Law Number 16 of 2016 in an effort to reduce the temperature rise limit to 1.5°C above the earth's temperature in pre-industrial times. The objectives of this study are (1) To analyze the effect of electricity consumption and fossil fuel consumption simultaneously on the negative externalities of GHG emissions in Indonesia. (2) To analyze the effect of electricity consumption and fossil fuel consumption partially on the negative externalities of GHG emissions in Indonesia. The data used is secondary data, with multiple linear analysis techniques. The results showed that (1) Electricity consumption and fossil fuel consumption simultaneously affect the negative externalities of GHG emissions in Indonesia. (2) Electricity consumption partially has a positive and significant effect on the negative externalities of GHG emissions in Indonesia. (3) Fossil fuel consumption partially has a positive and insignificant effect on the negative externalities of GHG emissions in Indonesia. Keywords: Greenhouse Gas, Negative Externalities, Energy Consumption, Electricity Consumption, Fossil Fuel Consumption

This study aimed to evaluate the effect of substituting vinegar with pomegranate juice (PJ) on the physicochemical characteristics, sensory quality, and antioxidant activity of mayonnaise. The mayonnaise was formulated into five treatments with varying concentrations of vinegar and PJ. The analyzed parameters included pH, color (L*, a*, b*), viscosity, emulsion stability, and sensory attributes (taste, aroma, color, texture, and preference), while antioxidant activity was assessed in the best formulation. The results showed that increasing the PJ substitution significantly improved viscosity and emulsion stability, decreased lightness (L*), and enhanced the red hue (a*). The P4 formulation (containing 2.75% PJ) demonstrated the best overall performance, with high viscosity, excellent emulsion stability, and also receiving high sensory scores. Antioxidant analysis revealed that P4 had higher antioxidant activity compared to the control (P0). Therefore, PJ has the potential to serve as a natural alternative to vinegar in mayonnaise production while enhancing the product's stability and functional value.

This study aims to determine the role of statistics in everyday life to help students understand the concept of data centering measures, especially the mean, median and mode. This research was conducted at MTS Aisyiyah Palembang.  The research subjects were class VIII students, involving 16 students who were divided into 3 groups. This research used the PMRI approach where students were invited to measure contextually their height. The results showed that the PMRI approach can help students discover for themselves how to calculate a person's height and find the mean, median and mode through a mathematical reference process. Finding their own concept of data centering measures and solving problems in everyday life related to the concept of data centering measures. The results of this study show that through a series of activities that have been carried out help students in learning the size of data concentration.

The problem in this research was to find out the importance of fostering resilience in children aged 5-6 years. This research aims to determine the resilience in children aged 5-6 years in TK State Menara Laut Kindergarten, North Leato Subdistrict, Dumbo Raya District, Gorontalo City. The research method used was qualitative descriptive. The subjects were how to identify resilience in children. The methods employed were observation, interviews, and documentation. Based on the observation results, efforts to develop resilience in children revealed that many struggled with concentration, participation in group activities, managing emotions when facing challenging tasks or situations, communicating with peers, and recovering from failures. Thus, it can be concluded that resilience not only means being immune to stress but also encompasses the ability to learn from difficult experiences, grow from the situation, and develop greater independence and emotional understanding.

The arrangement of seating patterns in the classroom is one of the learning environment factors that can affect student comfort, concentration, achievement and interaction during the learning process. This study aims to determine how the influence of seating patterns in the classroom on the academic achievement of elementary school students. The method used is qualitative with data collection techniques of observation, interviews and documentation. In the interview stage, an interview was conducted with one of the teachers at SDIT Permata Kita, observation was carried out in a participatory manner, and documentation in the form of student seating patterns in the classroom, recapitulation of student grades and documentation with the teacher. The results showed that seating patterns affect classroom dynamics, student participation, and student-teacher interaction during the learning process.

The arrangement of seating patterns in the classroom is one of the learning environment factors that can affect student comfort, concentration, achievement and interaction during the learning process. This study aims to determine how the influence of seating patterns in the classroom on the academic achievement of elementary school students. The method used is qualitative with data collection techniques of observation, interviews and documentation. In the interview stage, an interview was conducted with one of the teachers at SDIT Permata Kita, observation was carried out in a participatory manner, and documentation in the form of student seating patterns in the classroom, recapitulation of student grades and documentation with the teacher. The results showed that seating patterns affect classroom dynamics, student participation, and student-teacher interaction during the learning process.

Propionibacterium acnes is an anaerobic bacteria that plays an important role in dermatological research, especially in the context of skin diseases such as acne vulgaris. This study aims to optimize the growth conditions of Propionibacterium acnes in sodium media in order to increase the effectiveness of bacterial culture on a laboratory scale. The parameters tested include media pH, sodium concentration, incubation temperature, and incubation time. The research method was carried out systematically and controlled with a completely randomized design using several environmental condition treatments. The results showed that optimal growth of Propionibacterium acnes was achieved in media with a pH of 6.5–7.0, a sodium concentration of 1.5%, an incubation temperature of 37°C, and an incubation time of 72 hours in conditions without oxygen (anaerobic). By knowing the right conditions, Propionibacterium acnes bacteria can grow faster and optimally, so that it can help in dermatological research or product development related to skin health.

This study aims to determine the influence of the school environment on the academic performance of sixth-grade students at SDN Priuk. The school environment includes physical, social, and psychological aspects that are interconnected in shaping students' learning quality. This research employs a qualitative approach through literature review, direct observation, and interviews with teachers, students, and parents. The results indicate that physical factors such as cleanliness, classroom comfort, and learning facilities significantly affect students' concentration and enthusiasm for learning. In addition, a positive social environment—marked by harmonious relationships among students, teachers, and peers—encourages enjoyable learning interactions and supports student motivation. The psychological aspect also plays a crucial role; students who feel emotionally supported and recognized for their achievements tend to have higher intrinsic motivation and better academic performance. This study recommends that schools continuously improve the quality of the learning environment in all three aspects to create a more conducive atmosphere for students’ academic growth and success..

This study aims to examine the role of ice breaking in improving students' learning focus at the beginning of the lesson, especially at the elementary school level. Icebreaking is a learning technique that aims to prepare students mentally and emotionally to receive lessons by creating a cheerful, relaxed, and enjoyable classroom atmosphere. This study investigated various literatures, including scientific journals and educational articles. The results of the study showed that turning ice was proven to be effective in improving students' concentration, enthusiasm, and social interaction. Ice breaking not only makes the atmosphere better, but can also improve student learning outcomes. Therefore, ice breaking can be used as a learning strategy to make elementary schools a good place to learn.

Bioethanol can basically be made with basic ingredients in the form of vegetables which contain high starch and carbohydrates such as taro tubers (Colocasia esculenta [L] Schott). The choice of taro in making ethanol is because taro is classified as a tuber like cassava which has 66.8% starch content and 7.2% water content. The process of making glucose is done through acid hydrolysis (HCl) with variations in acid concentration (12, 14, 16, 18, and 20%) and hydrolysis time (1.5; 2; and 2.5 hours). From the analysis, it can be seen that the result of hydrolysis is liquid sugar (glucose) with the highest level of 27.8%brix.

This study aims to improve student learning outcomes in Grade XI ATPH 3 of SMK Negeri 1 Purwosari in the subject of Vocational Expertise Concentration on fertilization elements by implementing the cooperative learning model type Teams Games Tournament (TGT) using the interactive media Bamboozle. This research is a Classroom Action Research (CAR) conducted in two cycles, each consisting of planning, action, observation, and reflection stages. Data were collected through learning outcome tests, observation, and documentation. The results showed that the implementation of the TGT model supported by Bamboozle media improved students’ average scores from 54.55 in the pre-cycle to 72.73 in cycle I and 81.82 in cycle II. The percentage of mastery learning increased from 6% to 39% and then to 82%. The use of TGT combined with Bamboozle was proven effective in enhancing students’ learning outcomes, engagement, and motivation. Thus, this strategy is recommended as an alternative interactive and engaging learning method in vocational subjects at vocational schools.

Elderly individuals often experience physiological and health-related changes, including reduced muscle quality and decreased levels of physical activity. This decline negatively impacts overall health, increases the risk of chronic diseases, and diminishes the ability to perform daily activities. This study aimed to examine the relationship between vitamin D levels and physical activity in older adults. A cross-sectional study was conducted at the Bina Bhakti Nursing Home involving 93 participants aged 60 years and above. Physical activity was assessed using the International Physical Activity Questionnaire (IPAQ), while vitamin D levels were measured through venous blood sampling. Statistical analyses included descriptive statistics and Spearman correlation. The average age of the participants was 74.34 years, with a mean vitamin D level of 23.73 ng/mL. Based on IPAQ results, 26.9% of participants had low physical activity, 44.1% moderate, and 29% high. Spearman correlation revealed a weak but statistically significant positive correlation between vitamin D levels and physical activity (r = 0.240, p = 0.021). These findings suggest that higher physical activity levels are associated with higher vitamin D concentrations. Engaging in outdoor activities that promote sun exposure and an active lifestyle contributes to maintaining adequate vitamin D levels, which are essential for muscle function, balance, and bone health. Therefore, ensuring sufficient vitamin D status is crucial for supporting optimal physical activity and enhancing the overall health and quality of life among the elderly.

Trihexyphenidyl (THP) is a type of anticholinergic drug. The anticholinergic side effects of trihexyphenidyl drugs are categorized as peripheral or central. Common peripheral side effects are dry mouth, lack of sweating, decreased bronchial secretions, blurred vision, difficulty urinating, constipation and tachycardia. Central side effects of anticholinergics include impaired concentration, attention and memory. Drug abuse is the use of drugs (e.g., pain relievers, tranquilizers, stimulants, sedatives, etc.) and over-the-counter drugs (e.g., loperamide, promethazine, antitussive cough syrup, etc.) for purposes other than medical for the purpose of pleasure, resulting in dependence, physical damage, psyche and even death. It has recently been revealed that trihexyphenidyl (THP) is one type of drug that is often abused. the prevalence of anticholinergic abuse is 34%, and trihexyphenidyl is the most commonly involved anticholinergic due to its tendency to produce a “high”.

Bullying in the school environment is an issue that has a significant impact on students' mental health and academic achievement. This study aims to analyze how bullying affects students' academic achievement and the factors that contribute to its impact. Using a descriptive qualitative method based on a literature study, this research found that students who experience bullying tend to experience stress, anxiety and depression, which hinder their concentration, motivation and engagement in the learning process. In addition, an unsafe school environment due to bullying can reduce the quality of social interactions and increase the risk of dropping out of school. To address these issues, prevention strategies involving educators, parents and stricter school policies are needed. Teachers play a role in creating a positive learning environment, while family support helps victims in emotional recovery. In addition, the integration of anti-bullying programs in the curriculum and increasing students' awareness of the impact of bullying are important steps in building a safer school environment that supports academic achievement.

This community service project aims to enhance the fine motor skills of children with special needs (CWSN) at SLB C YPALB Perwari Kuningan through a beading-based art therapy approach. The program was conducted using a participatory and enjoyable educational method. A descriptive qualitative method was employed, with data collected through direct observation, informal interviews, and documentation of students' creative outputs. The results showed a significant improvement in hand-eye coordination, concentration, and perseverance among the participants. Children with intellectual disabilities, hearing impairments, autism, and Down syndrome successfully created rings and bracelets, both independently and with guidance. This activity not only contributed to fine motor development but also enhanced social interaction and self-expression. With its inclusive and adaptive approach, beading as a form of art therapy proved effective in supporting the learning process and holistic development of children with special needs in special education settings.

This community service project aims to enhance the fine motor skills of children with special needs (CWSN) at SLB C YPALB Perwari Kuningan through a beading-based art therapy approach. The program was conducted using a participatory and enjoyable educational method. A descriptive qualitative method was employed, with data collected through direct observation, informal interviews, and documentation of students' creative outputs. The results showed a significant improvement in hand-eye coordination, concentration, and perseverance among the participants. Children with intellectual disabilities, hearing impairments, autism, and Down syndrome successfully created rings and bracelets, both independently and with guidance. This activity not only contributed to fine motor development but also enhanced social interaction and self-expression. With its inclusive and adaptive approach, beading as a form of art therapy proved effective in supporting the learning process and holistic development of children with special needs in special education settings.

The detection of hazardous gases, such as carbon monoxide (CO), is crucial for ensuring human safety and health, especially in enclosed environments or areas with a high potential for exposure to toxic gases. Carbon monoxide is a colorless, odorless gas that is extremely dangerous when inhaled in large amounts. Therefore, a CO detection system that can provide early warnings is essential. This research aims to design a carbon monoxide (CO) detector using the MQ-7 sensor, which can detect CO concentrations in the air. The detection system is developed based on Internet of Things (IoT) technology, enabling real-time CO detection data to be transmitted to a cloud platform or user devices via an internet connection. This allows users to monitor CO levels in their environment anytime and anywhere. The system consists of the MQ-7 sensor to detect CO levels, a microcontroller as the controller, and a communication module to send data to the internet. The main advantage of this system is its ability to notify users if CO levels exceed a safe threshold. Thus, this detector can function as a preventive tool against CO exposure accidents. The use of IoT in this system also facilitates remote monitoring, improving the effectiveness and efficiency of managing a safe environment.

Propionibacterium acnes is an anaerobic bacteria that plays an important role in dermatological research, especially in the context of skin diseases such as acne vulgaris. This study aims to optimize the growth conditions of Propionibacterium acnes in sodium media in order to increase the effectiveness of bacterial culture on a laboratory scale. The parameters tested include media pH, sodium concentration, incubation temperature, and incubation time. The research method was carried out systematically and controlled with a completely randomized design using several environmental condition treatments. The results showed that optimal growth of Propionibacterium acnes was achieved in media with a pH of 6.5–7.0, a sodium concentration of 1.5%, an incubation temperature of 37°C, and an incubation time of 72 hours in conditions without oxygen (anaerobic). By knowing the right conditions, Propionibacterium acnes bacteria can grow faster and optimally, so that it can help in dermatological research or product development related to skin health.