Describe the effect of fertilizer pollution in water

When it's raining chemicals in the fertilizers are flew into water. These leads to water pollution. Fertilizer contains nutrients such as nitrogen and phosphorus. Excess amount of nutrients leads to algal growth. These algae uses oxygen in water. So this is causes animals to suffocate due to lack of oxygen.

Explanation:

dna is made up of six smaller molecules -- a five carbon sugar called deoxyribose, a phosphate molecule and four different nitrogenous bases (adenine, thymine, cytosine and guanine).