Hello there ^ _ ^
The correct answer is A
Genes and environment are both major influences.
Please trust my answer.
Answer/Explanation:
Good simple questions are:
are black bears black? yes
what color is a lack bear nose? a black bears nose is black but the area around it is normally brown
Ketones are produced. Heard of ketogenic diet where people don't eat carbs? ketone, ketogenic. same root word
