Advertisements
Advertisements
प्रश्न
How does the average temperature of Earth remain fairly steady?
Advertisements
उत्तर
The average temperature of the Earth is maintained fairly steady by the atmosphere. It prevents a sudden increase in temperature during daytime and slows down the escape of heat into the outer space at night. It also acts as a blanket covering the Earth.
संबंधित प्रश्न
Demonstrate the formation of convective currents.
We often leave the lights switched on and fans running when we are not in the room. We switch on the air-conditioning even though we don’t really need it. We insist on being dropped to school in the car every day. Thus, we waste valuable energy which is generally produced by burning coal and petroleum. As you know, the burning of these fuels release gases that pollute the atmosphere.
Make a list of the similar things that we do without realizing that we are destroying the environment. Think of the ways that we can behave differently.
State whether the following is true or false.
The stratosphere extends from the top of the troposphere up to 80 km above the surface of the earth.
Tick the correct answer
Which of the following gases protects us from harmful sun rays?
Tick the correct answer:
The major constituent of atmosphere by percent is ____________
__________ is used to measure pressure in the air.
Second highest layer of Earth’s atmosphere is ______.
What are the different layers of the atmosphere?
Atmosphere is divided into two main vertical regions the upper portion is Heterospshere and the lower is ______.
Why mountain climbers carry oxygen while climbing?
