Advertisements
Advertisements
प्रश्न
Explain any two environmental impacts of an ‘oil spill’.
Advertisements
उत्तर
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
संबंधित प्रश्न
Why do organisms need water?
What is metal activity series ?
Name the gas produced when chlorine is dissolved in water and exposed to sunlight.
Answer the following question:
What is the chemical composition of water ? Give its molecular formula.
Water exists in all three states. Discuss.
The water in a lake is called ground water.
State whether the following statement is True or False. If false, write the correct statement.
Rapid growth of industries is one of the causes for water shortage
Animal waste, oil and urea are some of the organic impurities present in sewage. Name two more organic impurities present in sewage.
Match the items of Column I with the items of Column II with reference to sewage.
| Column I | Column II | ||
| (a) | Inorganic impurities | (i) | phosphorus and nitrogen |
| (b) | Organic impurities | (ii) | nitrates and phosphates |
| (c) | Nutrients | (iii) | cholera and typhoid |
| (d) | Bacteria | (iv) | pesticides and herbicides |
What is saltwater?
