A.) Ecosystem. Biotic factors are made up of living organisms such as animals, plants, fungi and the like. Abiotic factors are non-living factors that influence the system, such as water, sunlight and soil. These factors together form an ecosystem.
In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j