<span>The role of the pollen is for the sperm to reach the egg. In the process of transportation, a lot of pollen grains can get lost and therefore there is greater need for it to be more than the ovules, since the eggs do not have to be transported anywhere. </span>
The answer is D) unlimited flow of water into or out of the cell for #9.
For #10, the answer is C) endocytosis and exocytosis.
You should:
1. Keep a distance between you and the source.
2. Use shielding between you and the radiation source.
3. Reduce the time you are being exposed.
The first answer is correct, the second one is D.
Answer:
The ozone and the atmosphere
Explanation:
