Question

Whay happens when we move vertically upwards from the earth ?

Why do meteiorides burn upon the mesosphere?

How does the atmosphere help in radio communication ?

What is the importance of the troposphere ?​

Answer 1

Answer:

(1) As we move vertically upwards from the earth, the atmosphere becomes thinner, the temperature reduces and air pressure decreases.

(2) The meteors will travel through the exosphere and thermosphere without much trouble due to the lack of air in those layers, but when they hit the middle layer, there are enough gases to cause friction and create heat to burn up in the Mesosphere.

(3) Due to the ability of ionized atmospheric gases to refract high frequency (HF, or shortwave) radio waves, the ionosphere can reflect radio waves directed into the sky back toward the Earth. Radio waves directed at an angle into the sky can return to Earth beyond the horizon.

(4) The troposphere provides several important benefits:-

it holds nearly all of the water vapor in the Earth's atmosphere, regulates temperature and produces weather. The troposphere forms the lowest level of the Earth's atmosphere, extending down to the surface of the Earth.

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Answer 2

Answer:

1. we can fall due to gravity.

2. because there are such gases that cause friction and burn up meteorites

3. It is helping via sending signals to satelite.

4. because it is responsible for weather and climate