Question

Which of the following is a negative effect of algal blooms on the environment? a. transport of carbon to the bottom of the ocean b. production of oxygen c. consumption of water’s oxygen d. large source of energy

Answer 1

c. consumption of water oxygen.

Answer 2

The negative effect by algal blooms is c. consumption of water’s oxygen.

Explanation:

The algal blooms is the large amount of algae growing on the surface of the water (lakes). They usually have harmful effect on the environment. It is mainly dangerous to the aquatic creatures where the algae uses all the oxygen and reduces the oxygen level for the aquatic animals. They reduce the sunlight entering the water.  

When there is algal blooms, the water to the residents are cut off and sometimes, these blooms poisons the water.