For example, an internal combustion engine converts the potential chemical energy in gasoline and oxygen into thermal energy which, by causing pressure and performing work on the pistons, is transformed into the mechanical energy that accelerates the vehicle (increasing its kinetic energy).
I hope this is what you need. :)
The four steps to comprehend health concepts related to health promotion and disease prevention are: (1) study health information; (2) ask questions about information you don't understand; (3) use health knowledge to from health concepts; (4) and use health concepts to reduce your risk.
1.underground stem -- for storage of food ex. potato , ginger.
2.spines for protection ex. citrus , bougainvillea
Shells are the exoskeletons of clams, snails and oysters. Hope that helps
Answer D because humans can effect the way of life in an ecosystem and things like climate can effect them too