Problem: what type of energy does a toy car have when it is pushed by a child? a. heat energy b. light energy c. mechanical energy d. electrical energy

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.