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University Of Arizona ATMO 170A Final Study Guide Chapter 1 1)Air density is greatest in the____________

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University Of Arizona

ATMO 170A

Final Study Guide

Chapter 1

1)Air density is greatest in the____________.

a.            heterosphere

b.            thermosphere

c.             ionosphere

d.            homosphere

 

2.            Air molecules are held near the earth's surface by            .

a.            solar radiation

b.            gravity

c.             cloud cover

d.            moisture

e.            temperature

 

3.            Areas of high atmospheric pressure are also known as   .

a.            Hurricanes

b.            Anticyclones

c.             Troughs

d.            Tornadoes

 

4.            Atmospheric concentrations of can vary significantly depending on time and location.

a.            Hydrogen

b.            water vapor

c.             helium

d.            argon

 

5.            Average atmospheric CO2 concentrations have over the past 100 years.

a.            slightly decreased

b.            remained constant

c.             significantly decreased

d.            increased

 

6.            Carbon dioxide is removed from the atmosphere through the process of             .

a.            fuel combustion

b.            respiration

c.             volcanic activity

d.            photosynthesis

 

7.            In a temperature inversion, air temperature       .

a.            increases with increasing height

b.            decreases with increasing height

c.             increases with decreasing height

d.            remains constant with increasing height

 

8.            Near the earth's surface,              occupies about 78% and               about 21% of the total volume of dry air.

a.            nitrogen; oxygen

b.            hydrogen; oxygen

c.             oxygen; hydrogen

d.            nitrogen; water vapor

e.            hydrogen; helium

 

9.            The boundary that separates sharp changes in temperature, humidity, and wind direction is known as a(n)                .

a.            front

b.            anticyclone

c.             posterior ridge

d.            anterior ridge

 

10.          The letters H and L on a surface weather map refer to regions of high and low    .

a.            temperature

b.            winds

c.             pressure

d.            latitude

 

11.          The majority of atmospheric ozone (about 97%) is found in the .

a.            thermosphere

b.            mesosphere

c.             stratosphere

d.            exosphere

 

12.          The most abundant gases in the earth's present day atmosphere (by volume) are            .

a.            carbon dioxide and nitrogen

b.            oxygen and water vapor

c.             nitrogen and oxygen

d.            oxygen and helium

 

13.          The only substance found naturally in the lower atmosphere that can exist as a solid, a liquid, and a gas is                .

a.            carbon dioxide

b.            water

c.             methane

d.            ozone

14.          The primary source of water vapor and carbon dioxide to the earth's early atmosphere was most likely .

a.            Photosynthesis

b.            ozone reactions

c.             outgassing

d.            nitrogen chemical reactions

 

15.          The vertical profile of     is variable in each layer of the earth's atmosphere.

 

a.            air pressure

b.            air temperature

c.             air density

d.            altitude

 

16.          Tiny solid or liquid suspended atmospheric particles of various composition are called     .

a.            aerosols

b.            carcinogens

c.             greenhouse gases

d.            chlorofluorocarbons

 

17.          What is the weather element that involves the horizontal movement of air?

a.            air temperature

b.            air pressure

c.             wind

d.            humidity

 

18.          What pattern is most likely associated with clear skies and fair weather?

a.            high pressure regions

b.            low pressure regions

c.             a cold front

d.            a warm front

 

19.          Which gas is responsible for the temperature inversion in the stratosphere?

a.            carbon dioxide

b.            nitrogen

c.             ozone

d.            argon

 

20.          Which of the following is an example of condensation?

a.            water vapor formation

b.            cloud droplet formation

c.             photosynthesis

d.            ice formation

 

21.          You are facing north and the wind is blowing in your face. This wind would be called a(n)               .

a.            south wind

b.            east wind

c.             north wind

d.            southerly wind

 

22.          Methane (CH4), nitrous oxide (N2O), and chlorofluorocarbons (CFCs) are greenhouse gases

a.            True

b.            False

 

23.          Most of the molecular oxygen (O2) in the earth's present-day atmosphere comes from photosynthesis.

a.            True

 

b.            False

 

24.          On a cloudless day, the tropopause is easily visible with the naked eye.

a.            True

b.            False

 

25.          The air pressure at the summit of Mount Everest is higher than the air pressure at sea level.

a.            True

b.            False