19 solutions available
Question 4State the important characteristics of each of the layers.
Question 10Give the properties of Ionosphere.
Question 12What do you mean by 'Global Warming'? What are the consequences of 'Global Warming'?
Question 13Name a few measures that could be taken to save the ozone layer.
Question 14Name the three realms of the Earth.
Question 15State the composition of the Earth's atmosphere.
Question 16How can we reduce global warming?
Question 11Assertion (A): About 90 per cent of the mass of air lies within a height of about 20 km from the surface of the earth.Reason (R): The air...
Question 17Name the layer which contains ions electrically charged particles which create a sheet like display of light known as Aurora Borealis in...
Question 18Assertion (A): The troposphere is heated more from below than from above.Reason (R): The troposphere is heated by the incoming solar...
Question 19Which amongst the following is not a direct impact of Global Warming?Precipitation ChangeRadiation BalanceRise in Sea LevelDiseases
Question 7What is known as Ozone Layer? What is leading to depletion of Ozone Layer in the atmosphere?
Question 8What would be the effect of Ozone Layer depletion? List the natural causes of Ozone Layer depletion.
Question 1(c)Give a reason for each of the following:(i) We find it difficult to breathe when we climb mountains.(ii) The atmosphere is the most...
Question 2(a)Describe the structure of the atmosphere based on the picture given below.
Question 2(b)Explain the factors responsible for depletion of Ozone in atmosphere.
Question 3(a)How does conversion of forest land into agricultural land cause global warming?
Question 1Do you think any one layer of the atmosphere is more significant than the other layers? If yes, which one and why? If not, reasons to...
Question 2How is atmosphere responsible for Global Warming? What changes human beings can make in their lifestyle to preserve the atmosphere and...