Advertisements
Advertisements
Question
Explain any two environmental impacts of an ‘oil spill’.
Advertisements
Solution
Oil spill or Leaks: Oil is lighter and insoluble in water and oil layer floats on the surface of water and prevents oxygen transfer from atmosphere.
Oil leakage and petroleum products into sea water due to accidents of ships and oil tankers or leakage of pipe lines and storage tanks. They occur when oil is being produced from offshore well and may happen due to transportation by pipes and tanks, oil refineries, petrochemical plants, etc.
Damage caused by oil spills :
- Fish, birds, reptiles, and amphibians living in such water cannot breathe and die. The oil penetrates the birds feathers and they cannot fly and affect their insulation and damages the reproductive system.
- It interrupts the food chain which may cause the extinction of species.
APPEARS IN
RELATED QUESTIONS
Give reason for Silica gel pouches are kept in unused water bottle.
Explain how the peculiar variation of density of water with temperature can protect marine-life.
What are its causes and how can water pollution be controlled ?
Why is water considered a compound?
What are stalgmites and stalactites? How are they formed?
What is meant by the term ‘offshore drilling’. State the main environmental effects of offshore drilling.
Look at the map of Tamilnadu showing annual rainfall and answer the questions given below

- Identify the districts that get only low annual rainfall in Tamilnadu.
- Identify the districts that get a medium annual rainfall in Tamilnadu.
- State the districts that enjoy high annual rainfall in Tamilnadu.
What is the source of water in the following?
Wells
Complete the following chart by writing appropriate words in the boxes marked (a) to (e).

Water in our tap comes from a ______.
