Answer:
Add comparative anatomy and it should be right.
Explanation:
Andromeda is the nearest galaxy that 2.5 million light years away from earth.
Before a chemical reaction can start energy must be absorbed by the reactants. The amount that must be absorbed to start the reaction is called the activation energy. you're right, t<span>he activation energy must be reached.</span>
The answer is B. hope you get it
Answer:
A sex chromosome is the answer
