PPL Met - The Atmosphere DONE

The atmosphere is comprised of what % of oxygen, nitrogen and other gases?

• 78, 21, 1

• 1, 21, 78

• 21, 1, 78

• 21, 78, 1

Greenhouse effect is caused by...

• Ozone absorbing terrestrial radiation

• Carbon dioxide absorbing terrestrial radiation

• Ozone reflecting solar radiation

• Carbon dioxide reflecting solar radiation

Why is ozone important?

• Filters out harmful UV radiation

• Filters out carbon dioxide gases

• Prevents volcanic ash, dust, etc from reaching upper atmosphere

• Allows oxygen to be kept in lower atmosphere

What is it called when temperature remains the same with an increase in height?

• Inversion

• Isothermal

• Normal

• Ridge

Clouds require ____ to form

• Ozone

• Carbon Dioxide

• Condensation nuclei

• Dust

Why is New York rather than Antarctica more likely to see smog/cloud?

• Higher temperatures

• Lower pressure lapse rate

• Thinner ozone layer

• Abundance of condensation nuclei

What happens to temperature at the tropopause?

• Begins increasing

• Keeps reducing

• Becomes isothermal

• Remains at -156 degrees C

Order of atmosphere layers?

• Troposphere, Stratosphere, Mesosphere

• Ionosphere, Troposphere, Mesosphere

• Stratosphere, Mesosphere, Troposphere

• Troposphere, Stratosphere, Thermosphere

Temperature lapse rate is ____ degrees per 1000ft until ____

• 1, troposphere

• 2, stratosphere

• 2, tropopause

• 1, troposphere

What is the average temperature at the tropopause?

• -56 degrees C

• -35 degrees C

• 56.5 degrees C

• -101 degrees C