Endothermic reactions require energy
Exothermic reactions release energy
The reactants of photosynthesis would be Carbon dioxide and water.
Answer:
nervous system and autonomic system
Explanation:
because our nervous system is divided into two parts
Because it has to be that way
Answer:
C
there awasw a mass extinction of dinosaur species at the end of the Mesozoic.
Explanation:
C
Have A Great One!
Wind, because the others can be completely used up at some point whereas wind will theoretically always be blowing