Answer:
Option 1 i think it's A
Explanation:
hope it's helpful
Answer of 2nd question
<em>option </em><em>A </em>
<em>glucose </em><em>is </em><em>a </em><em>unit </em><em>of </em><em>energy</em>
Answer: natural selection
Secretary of defense is ahead but not a soldier in rank
In ranking its the general (which is the highest rank in the army)
An established population that is accustomed to change.
For science
1 cells
2 tissue
3 organs