Question

The use of excessive fertilizers in the fields lead to the deficiency of an important substance in the water of a nearby lake. Name the substance.

Answer 1

Answer:

deficiency of oxygen is the important substance in the nearby lake

Answer 2

The name of the substance is oxygen.

Explanation:

• When the fertilizers released into water leads to rapid growth of algae on the surface of water.
• The plants on the surface takes all the oxygen present in water for respiration process.
• Large amount of algae takes more amount of oxygen this leads to lack of oxygen to aquatic plants and animals in that lake.
• This eventually leads to death of them.
• Oxygen is a vital gaseous element that all living organisms depends for respiration.