Phosphates have been banned in most dishwashing detergents in order to

protect the environment. How do phosphates in large quantities affect the

environment?

O

A. They increase the acidity of water and cause acid rain.

O

B. They buffer cells from extremes in pH.

O

C. They increase the salinity of water and pollute drinking water.

O

D. They lead to algal blooms and starve fish of oxygen.

The correct answer is option D. They lead to algal blooms and starve fish of oxygen.

Explanation:

When quantity of phosphates increases in water bodies due usage of phosphate washing detergent, it makes the water suitable for the growth of algae by increasing nutrients and lowering oxygen level in the water. Due to the lowering of oxygen level, the death of aquatic animals occurs and the ecosystem is disturbed.