Advertisements
Advertisements
प्रश्न
How could warm water act as a pollutant?
Advertisements
उत्तर
Warm water is released by a factory into a nearby river or pond raises the temperature of the water, sometimes enough to harm the living things there.
APPEARS IN
संबंधित प्रश्न
A large number of fish are suddenly found floating dead on a lake. There is no evidence of toxic dumping but you find an abundance of phytoplankton. Suggest a reason for the fish kill.
Study the picture given below and answer the following questions :
Water pollution
Study the picture given below and answer the following questions :
Mention the impact of this pollution on human health.
Name the following
An agricultural pollutant in water
Give a reason why :
Polluted water causes disease.
Answer the following question in one or two paragraphs
What are the major causes of water pollution?
What is water pollution?
Usage of chemical pesticides and fertilisers causes ________ pollution.
Phosphate containing fertilisers cause water pollution. Addition of such compounds in water bodies causes:
(i) enhanced growth of algae.
(ii) decrease in amount of dissolved oxygen in water.
(iii) deposition of calcium phosphate.
(iv) increase in fish population.
A person was using water supplied by Municipality. Due to shortage of water he started using underground water. He felt laxative effect. What could be the cause?
