Question : A level of the atmosphere which is composed partly of electrons and positive ions is called
Option 1: Troposphere
Option 2: Ionosphere
Option 3: Stratosphere
Option 4: Mesosphere
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Correct Answer: Ionosphere
Solution : The answer is the Ionosphere.
The Ionosphere is the layer of the atmosphere that is made up of electrons and positive ions. It is an area of the Earth's upper atmosphere with increased ion concentrations due to the absorption of high-energy solar radiation. The Ionosphere is important in radio wave propagation and communication.
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Question : The layer of the atmosphere in which Radio Waves are reflacted back is called :
Question : What is the maximum water vapour content in the atmosphere?
Question : Which of the following greenhouse gases is most abundant in the atmosphere?
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
Human activities are changing Earth's natural greenhouse
Question : Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. When this extra water vapour condenses into precipitation, it results in heavier rain — or, if it's cold
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