NA
Amit Rastogi Science Solutions for Exercise - NA
Simple step-by-step solutions to NA questions of Coal and Petroleum from ThinkTrail CURIOSITY CHRONICLES A Coursebook For Science Grade 8. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from NA with Hints & Solutions
Give some consequences of over-extraction of fossil fuels.
Explain the harmful effects of overexploitation of fossil fuels.
Amit and Raghu are neighbours. Amit uses appliances like electric water heater and electric cooker in his house, while Raghu uses solar heater and solar heater. Which of them is follolwing environment-friendly practices? Give reasons for your answer.
Sulphur dioxide does not pollute air.
Air pollution can be controlled by reducing the use of fossil fuels.
Fossil fuels
Give reason:
Burning fossil fuels pollute air.
Why burning of coal, diesel and petrol can damage air, water and soil?
