Answer:
how can we draw that in here?
c would be the correct answer to this question
Matter cannot be created or destroyed. this means that the number of atoms before the reaction has to equal the number of atoms after the reaction.
Answer:
I'm pretty sure the answer is 4.
Explanation:
1 and 2 are definitely homeostasis because it is a way to keep your body balanced how it needs to be and 3 would be a natural reaction that your body would make to prevent further pain, but 4 would be a personal choice that is made by the person who stays up.