How do fertilizers reach the oceans?

From the Runoff of the land near a body of water

Explanation:

Nitrogen and phosphorus enter the water system from fertilizer applications on lawns and gardens due to rainfall. When these nutrients aren't absorbed by plant roots, they're washed out of the soil by excessive irrigation and rain and carried into storm drains and natural water sources.

true is the final answer!

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.