Answer:
Enzymes speed up a chemical reaction making the reaction easier to occur.
The earliest forms would be plants and other life like that, and current day would be mostly humans and animals and a lot of plants are disappearing
<span>Answer D hop you get it </span><span>Answer</span>
Answer:
the brain helps with moving our limbs and bones such as how im typing this, it helps us remember to blink and breathe and keep our heart pumping blood.
Explanation:
im not actually sure if this is right but i tried, im sorry if its wrong
