Answer:
a
Explanation:just did the question and I guessed an answer cuz I didnt know it and I got it wrong so its a for a p e x
Answer:
endothermic change occurs
Explanation:
photosynthesis, is an endothermic reaction in which energy is absorbed from the surrounding.
hope this helps
Answer:
2
Explanation:
Since it has to be 2H2+02→2H20 for it to be balanced.