Composition of the Atmosphere and Atmospheric Layers

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What is the primary reason for the constant motion of the atmosphere?

Presence of polar cells

Uneven heating of the Earth's surface (correct)

Increased water vapor content in the air

Decrease in oxygen density with altitude

At what altitude does the Troposphere extend up to?

15,000 feet

25,000 feet

20,000 feet (correct)

30,000 feet

Which layer of the atmosphere is associated with stable air and sometimes clouds?

Thermosphere

Troposphere

Stratosphere (correct)

Mesosphere

What is the primary composition of Earth's atmosphere?

78% Nitrogen, 21% Oxygen Signup and view all the answers

What force causes changes in air movement and pressure in the atmosphere?

Coriolis Force Signup and view all the answers

At sea level, what is the standard atmospheric pressure in PSI (Pounds per Square Inch)?

14.7 PSI Signup and view all the answers

What is the term used to describe an elongated area of high pressure?

Ridge Signup and view all the answers

In which part of the Earth's atmosphere do we find the mesosphere?

Mesosphere Signup and view all the answers

What is the force created by the rotation of the Earth that significantly affects motion over large distances?

Deflection force Signup and view all the answers

In which hemisphere does air deflect to the right due to the Coriolis effect?

Northern Hemisphere Signup and view all the answers

What is the standard atmospheric pressure in units of inches of mercury at sea level?

28.86 Hg Signup and view all the answers

In which zone does the flow break up into distinct cells near the North Pole?

Polar zone Signup and view all the answers

Composition of the Atmosphere and Atmospheric Layers

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