D. It makes the reaction harder to start- the need for more activation energy means less successful collisions therefore the reaction can not be started as easily if there were a lower activation energy.
answer is D! For the question you submitted.
Answer: A
Aloha is the one that loses a helium
Answer:
a
Explanation:
it is A because h20 and c02 are molecules while what make them up are atoms
most of the world is made of water because the oceans.
The first one
Elements are as simple as it gets
