1 is A. a mold.
2 is B. <span>all of the changes during Earth's history have been slow and gradual.</span>
<span>C. It binds to the coding region and adds nucleotides to the growing end of the DNA.
</span>
Answer: A.
Insects fly to the flower for pollen and nectar
It's called chemical reaction.
(I'm not real sure)
