Learning media was used to explain the theory and minimize misconceptions. 50% of physics teachers in East Java have difficulty creating learning circular motion. Therefore, researchers created an innovation analyze perception Arduino-based "Rotating Wheel" (ABRW). This research R&D design with a 4-D model. The subjects were 24 throughout 35 students’s XII MA Jabal Noer, Sidoarjo. instrumen...

soil degradation means lose of soil quality which usually is caused by improper use of land by human. decline of soil quality includes lose of physical, chemical and biological properties of soil. this study aimed to identify and assess the quality of soil and land, to determine the type of land degradation and estimates their severity based on completed forms gathered field data and mapping th...

Background and Aims: The Terminalia cloud forest is endemic to a 200-km stretch of coastal mountains in southern Arabia. This research aims describe patterns variation the species composition Dhofar, Oman examine causal environmental factors. Study area: Jabal Qamar mountain range, Oman. Methods: Hierarchical cluster analysis indicator were used identify variants forest. Topoclimatic factors, v...