7.3.1-Ariana

Question 1

Atmosphere

Answer 1

Definiton: the envelope of gases surrounding the earth or another planet.

Question 2

Altitude

Answer 2

Definition:the height of an object or point in relation to sea level or ground level.

Question 3

Trophosphere

Answer 3

Definition:the lowest region of the atmosphere, extending from the earth’s surface to a height of about 3.7–6.2 miles (6–10 km), which is the lower boundary of the stratosphere.

Question 4

Stratosphere

Answer 4

Definition:the layer of the earth’s atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth’s surface (the lower boundary of the mesosphere).

Question 5

Mesosphere

Answer 5

Definition:the region of the earth’s atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles (50 and 80 km) in altitude.

Question 6

Thermosphere

Answer 6

Definition:the region of the atmosphere above the mesosphere and below the height at which the atmosphere ceases to have the properties of a continuous medium. The thermosphere is characterized throughout by an increase in temperature with height.

Question 7

Earth

Answer 7

Definition: The third planet from the sun.