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Exam 1 LaunchPad Questions

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Section 1

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The region where molecules are free of Earth's gravity is called the?

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6 years ago

Date created

Mar 1, 2020

Cards (25)

Section 1

(25 cards)

The region where molecules are free of Earth's gravity is called the?

Front

exosphere

Back

What is NOT a natural source of carbon monoxide (CO)? a) volcanoes b) bacterial processes c) forest fires d) the burning of fossil fuels

Front

d) the burning of fossil fuels

Back

Aurora (northern and southern lights) occur in the?

Front

thermosphere

Back

By trading chlorofluorocarbons (CFCs) for hydrofluorocarbons (HFCs), humans have essentially traded ozone-thinning for?

Front

climate change

Back

Molecules in the ionosphere are energized by charged particles, called ________ , from the sun, creating beautiful displays of light.

Front

the solar wind

Back

Which statement regarding the ionosphere is FALSE: a) The ionosphere allows radio waves transmitted from Earth's surface to travel long distances through the atmosphere b) The ionosphere is a layer of Earth's atmosphere based on the makeup of gases c) The ionosphere interacts with and absorbs ultraviolet, X-ray, and gamma radiation from the Sun d) The aurora borealis and the aurora australis occur in the ionosphere

Front

b) the ionosphere is a layer of Earth's atmosphere based on the makeup of gases

Back

________ is/are solar radiation that has shorter wavelengths than visible light.

Front

ultraviolet radiation

Back

Once in the stratosphere, CFCs (chlorofluorocarbons) react with and break ________ apart into oxygen.

Front

ozone

Back

As one moves from the equator toward the poles, the average altitude of the tropopause?

Front

decreases

Back

One would be most likely to see the aurora borealis in the?

Front

high northern latitudes during the winter months

Back

Which statement regarding acid rain is FALSE: a) acid rain can have a pH value as low as 12.0 b) acid rain can change soil and water chemistry c) acid rain can have a pH value as low as 2.0 d) acid rain can dissolve certain rocks such as limestone and marble

Front

a) acid rain can have a pH value as low as 12.0

Back

Nitrogen compounds in the United States enter the atmosphere mainly through?

Front

the combustion of gasoline in cars and the burning of coal for power

Back

In the ionosphere, oxygen and nitrogen are ionized by?

Front

solar energy

Back

Which statement regarding air movement in the stratosphere is FALSE? a) air flows in horizontal sheets in the stratosphere b) there is little vertical mixing of air in the stratosphere c) there is a high degree of vertical mixing of air in the stratosphere d) storms and clouds usually do not enter the stratosphere from below

Front

c) there is a high degree of vertical mixing of air in the stratosphere

Back

99% of Earth's atmosphere is found from Earth's surface up to about?

Front

32 km (20 mi)

Back

People often experience some discomfort in their ears when driving in mountainous areas or when flying because?

Front

the equilibrium between the inner ear and the atmosphere is temporarily disrupted

Back

Which is NOT a way in which particulate matter (PM) is removed from the atmosphere? a) PM is revved from the atmosphere by falling rain as it collides with and incorporates particles, carrying them to the surface b) PM settles out of the atmosphere by photosynthesis c) PM is removed from the atmosphere by falling snow as it collides with and incorporates particles, carrying them to the surface d) PM settles out of the atmosphere by gravity

Front

b) PM settles out of the atmosphere by photosynthesis

Back

Which is NOT an example of a primary pollutant? a) carbon monoxide b) photochemical smog c) volatile organic compounds (VOCs) d) sulfur dioxide

Front

b) photochemical smog

Back

Proportions of permanent gases in Earth's atmosphere: a) fluctuate greatly b) never fluctuate c) fluctuate only a little d) fluctuate widely

Front

c) fluctuate only a little

Back

Auroras are found mostly at the poles because that is where?

Front

Earth's magnetic field concentrates the solar wind's particles

Back

Which accurately describes conditions in the stratosphere? a) there are many clouds and the air is mostly free of atmospheric aerosols b) there are many clouds and high levels of atmospheric aerosols in the air c) there are very few clouds and high levels of atmospheric aerosols in the air d) there are very few clouds and the air is mostly free of atmospheric aerosols

Front

d) there are very few clouds and the air is mostly free of atmospheric aerosols

Back

The ________ is the interface between the troposphere and the stratosphere.

Front

tropopause

Back

Which is NOT one of the four thermal divisions of Earth's atmosphere? a) the heterosphere b) the stratosphere c) the mesosphere d) the troposphere

Front

a) the heterosphere

Back

Which statement regarding temperature inversions is FALSE: a) temperature inversions in the troposphere are usually thousands of meters thick b) temperature inversions in the lower troposphere sometimes form in valleys c) temperature inversions can trap pollutants near the ground surface d) temperature inversions can create sleet and freezing rain during winter storms

Front

a) temperature inversions in the troposphere are usually thousands of meters thick

Back

Much of what scientists know about Earth's atmosphere comes from?

Front

weather balloons and orbiting satellites

Back