7E1-Mckayla

Question 1

Atmosphere - the envelope of gases surrounding the earth or another planet.

Answer 1

Altitude -the height of an object or point in relation to sea level or ground level.

Question 2

Density -the degree of compactness of a substance.

Answer 2

Troposphere -the lowest region of the atmosphere, extending from the earth’s surface to a height of about 3.7–6.2 miles

Question 3

Mesosphere -the region of the earth’s atmosphere above the stratosphere and below the thermosphere, between about 30 and 50 miles

Answer 3

Thermosphere -