Answer:
Low concentration to high concentration
Explanation:
If moving up the concentration gradient, you will start detecting the chemical molecules more and more frequently.
The answer is B. Natural selection will find a way to affect one, then that one will affect many others.
Answer:
Option D
Explanation:
Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level.
B ~ You cannot tell if someone was touching your hand
Hope this helps! ^^
The answer is B. Chromosomes which you get from your parents