Answer:
i really want to help, but i am not able to go to your profile. let me try again
Answer:
A
Explanation:
Thick clouds can trap lots of heat. This has a warming effect on earth.
Explanation:
The enzyme is unchanged so that, it can be reused when more substrate is available.
to know more ,enzymes about Biological Catalyst that are used to speed up the rate of a biological reaction but are not used up at the end of the reaction