Question 1

Sources of natural variable pollutants and materials include all of the following EXCEPT

Accepted Answer

A) plants and decaying plants. 
B) industrial activity. 
C) forest fires. 
D) volcanoes. 
A) plants and decaying plants. 
B) industrial activity. 
C) forest fires. 
D) volcanoes.

Question 2

The Sunʹs principal outputs consist of the solar wind and radiant energy.

Accepted Answer

A) True 
 B)False

Question 3

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m (18,000 ft).

Accepted Answer

A) True 
 B)False

Question 4

The auroras in the upper atmosphere are caused by

Accepted Answer

A) visible light interaction with the asthenosphere. 
B) the interaction of the solar wind and upper layers of Earthʹs atmosphere. 
C) various weather phenomena. 
D) AM radio broadcasts. 
A) visible light interaction with the asthenosphere. 
B) the interaction of the solar wind and upper layers of Earthʹs atmosphere. 
C) various weather phenomena. 
D) AM radio broadcasts.

Question 5

Which of the following is NOT true of UV exposure?

Accepted Answer

A) UV radiation varies spatially according to the season,local weather conditions,and overhead ozone depletion. 
B) UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index. 
C) UVA radiation is not filtered by the ozone layer and amounts for about 95% of all UV radiation reaching Earthʹs surface. 
D) Only exposure to UVA is a concern,not exposure to UVB and UVC. 
A) UV radiation varies spatially according to the season,local weather conditions,and overhead ozone depletion. 
B) UV radiation is potentially harmful and individuals should take appropriate precautions depending on the UV index. 
C) UVA radiation is not filtered by the ozone layer and amounts for about 95% of all UV radiation reaching Earthʹs surface. 
D) Only exposure to UVA is a concern,not exposure to UVB and UVC.

Question 6

Atmospheric pressure decreases with altitude.

Accepted Answer

A) True 
 B)False

Question 7

Why does temperature increase with altitude in the stratosphere?

Accepted Answer

A) Ozone acts as a greenhouse gas which traps ultraviolet energy radiated by Earthʹs surface. 
B) Chlorofluorocarbons increase ozone concentrations,which enhance temperature. 
C) Ozone absorbs ultraviolet radiation from the Sun and then reradiates it at infrared wavelengths. 
D) Due to the effects of the normal lapse rate effect 
A) Ozone acts as a greenhouse gas which traps ultraviolet energy radiated by Earthʹs surface. 
B) Chlorofluorocarbons increase ozone concentrations,which enhance temperature. 
C) Ozone absorbs ultraviolet radiation from the Sun and then reradiates it at infrared wavelengths. 
D) Due to the effects of the normal lapse rate effect

Question 8

The elapsed time between two crossings of the equator by the Sun is known as the _________.

Accepted Answer

A) parallelism. 
B) summer. 
C) inter-equinox. 
D) tropical year. 
A) parallelism. 
B) summer. 
C) inter-equinox. 
D) tropical year.

Question 9

Which of the following cannot be attributed to the effects of Earthʹs rotation?

Accepted Answer

A) Daylength 
B) Rise and fall of tides 
C) Deflection of the winds 
D) Deflection of the ocean currents 
E) Latitudinal variations in net radiation 
A) Daylength 
B) Rise and fall of tides 
C) Deflection of the winds 
D) Deflection of the ocean currents 
E) Latitudinal variations in net radiation

Question 10

Which of the following is TRUE of Earthʹs orbit about the Sun?

Accepted Answer

A) It is elliptical. 
B) It is perfectly circular. 
C) It takes approximately the same time for Earth as it does the rest of the planets in the solar system to orbit the Sun. 
D) The orbit does not vary over millions of years. 
A) It is elliptical. 
B) It is perfectly circular. 
C) It takes approximately the same time for Earth as it does the rest of the planets in the solar system to orbit the Sun. 
D) The orbit does not vary over millions of years.

Question 11

When does Earthʹs perihelion position,the point of orbit when it is closest to the Sun,occur?

Accepted Answer

A) During the Northern Hemisphereʹs summer. 
B) During the Northern Hemisphereʹs winter. 
C) During the Northern Hemisphereʹs autumn. 
D) During the Northern Hemisphereʹs spring. 
A) During the Northern Hemisphereʹs summer. 
B) During the Northern Hemisphereʹs winter. 
C) During the Northern Hemisphereʹs autumn. 
D) During the Northern Hemisphereʹs spring.

Question 12

Why is stratospheric ozone loss a concern?

Accepted Answer

A) Stratospheric ozone contributes to the brilliant auroras. 
B) Stratospheric ozone is a component of photochemical smog. 
C) Stratospheric ozone absorbs harmful ultraviolet radiation (UVB and UV
C) . 
D) Stratospheric ozone is a major greenhouse gas; its loss will contribute to the cooling of the planet. 
A) Stratospheric ozone contributes to the brilliant auroras. 
B) Stratospheric ozone is a component of photochemical smog. 
C) Stratospheric ozone absorbs harmful ultraviolet radiation (UVB and UV
C) . 
D) Stratospheric ozone is a major greenhouse gas; its loss will contribute to the cooling of the planet.

Question 13

The amount of CO2 in the atmosphere is higher now than any time in the last 800,000 years.

Accepted Answer

A) True 
 B)False

Question 14

What is the name of the location on the surface of Earth that receives insolation when the Sun is directly overhead? (When this occurs,the Sunʹs rays are perpendicular to this surface.)

Accepted Answer

A) North Polar point 
B) Subsolar point 
C) Zenith 
D) Solar point 
A) North Polar point 
B) Subsolar point 
C) Zenith 
D) Solar point

Question 15

Based on function,the atmosphere has

Accepted Answer

A) five regions beginning with the outermost thermosphere. 
B) one continuous region. 
C) the troposphere and the stratosphere. 
D) two areas that absorb radiation from the Sun. 
A) five regions beginning with the outermost thermosphere. 
B) one continuous region. 
C) the troposphere and the stratosphere. 
D) two areas that absorb radiation from the Sun.

Question 16

The Milky Way galaxy contains approximately 300 billion stars,of which the Sun is an average sized star.

Accepted Answer

A) True 
 B)False

Question 17

Earth is closest to the Sun in early January.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is TRUE of gases in the heterosphere?

Accepted Answer

A) Nitrogen occurs at the top,followed in descending order by helium,oxygen and hydrogen. 
B) The nitrogen and oxygen occur at the top of the heterosphere and the hydrogen and helium at the bottom. 
C) The hydrogen,helium,oxygen and nitrogen are well mixed. 
D) The hydrogen and helium occur at the top of the heterosphere,and the nitrogen and oxygen at the bottom. 
A) Nitrogen occurs at the top,followed in descending order by helium,oxygen and hydrogen. 
B) The nitrogen and oxygen occur at the top of the heterosphere and the hydrogen and helium at the bottom. 
C) The hydrogen,helium,oxygen and nitrogen are well mixed. 
D) The hydrogen and helium occur at the top of the heterosphere,and the nitrogen and oxygen at the bottom.

Question 19

Earthʹs rotation is described as

Accepted Answer

A) west to east. 
B) north to south. 
C) east to west. 
D) clockwise when viewed from above the North Pole. 
A) west to east. 
B) north to south. 
C) east to west. 
D) clockwise when viewed from above the North Pole.

Question 20

With regards to carbon monoxide (CO),which of the following is FALSE?

Accepted Answer

A) Few effects of CO on humans have been identified. 
B) It is a colorless,odorless and tasteless gas. 
C) Anthropogenic CO is principally produced by automobiles. 
D) Natural CO is produced by decaying organic debris,forest fires,or organic matter decomposition. 
A) Few effects of CO on humans have been identified. 
B) It is a colorless,odorless and tasteless gas. 
C) Anthropogenic CO is principally produced by automobiles. 
D) Natural CO is produced by decaying organic debris,forest fires,or organic matter decomposition.

Sources of natural variable pollutants and materials include all of the following EXCEPT

The Sunʹs principal outputs consist of the solar wind and radiant energy.

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m (18,000 ft).

The auroras in the upper atmosphere are caused by

Which of the following is NOT true of UV exposure?

Atmospheric pressure decreases with altitude.

Why does temperature increase with altitude in the stratosphere?

The elapsed time between two crossings of the equator by the Sun is known as the _________.

Which of the following cannot be attributed to the effects of Earthʹs rotation?

Which of the following is TRUE of Earthʹs orbit about the Sun?

When does Earthʹs perihelion position,the point of orbit when it is closest to the Sun,occur?

Why is stratospheric ozone loss a concern?

The amount of CO₂ in the atmosphere is higher now than any time in the last 800,000 years.

What is the name of the location on the surface of Earth that receives insolation when the Sun is directly overhead? (When this occurs,the Sunʹs rays are perpendicular to this surface.)

Based on function,the atmosphere has

The Milky Way galaxy contains approximately 300 billion stars,of which the Sun is an average sized star.

Earth is closest to the Sun in early January.

Which of the following is TRUE of gases in the heterosphere?

Earthʹs rotation is described as

With regards to carbon monoxide (CO),which of the following is FALSE?

The Science of Geography

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Energy Flows and Nutrient Cycles

Biogeographic Divisions

Filters

Exam 2: The Solar System,sun,and Earth

Sources of natural variable pollutants and materials include all of the following EXCEPT

The Sunʹs principal outputs consist of the solar wind and radiant energy.

Approximately fifty percent of the atmosphere is compressed by gravity below an elevation of 5500 m (18,000 ft).

The auroras in the upper atmosphere are caused by

Which of the following is NOT true of UV exposure?

Atmospheric pressure decreases with altitude.

Why does temperature increase with altitude in the stratosphere?

The elapsed time between two crossings of the equator by the Sun is known as the _________.

Which of the following cannot be attributed to the effects of Earthʹs rotation?

Which of the following is TRUE of Earthʹs orbit about the Sun?

When does Earthʹs perihelion position,the point of orbit when it is closest to the Sun,occur?

Why is stratospheric ozone loss a concern?

The amount of CO2 in the atmosphere is higher now than any time in the last 800,000 years.

What is the name of the location on the surface of Earth that receives insolation when the Sun is directly overhead? (When this occurs,the Sunʹs rays are perpendicular to this surface.)

Based on function,the atmosphere has

The Milky Way galaxy contains approximately 300 billion stars,of which the Sun is an average sized star.

Earth is closest to the Sun in early January.

Which of the following is TRUE of gases in the heterosphere?

Earthʹs rotation is described as

With regards to carbon monoxide (CO),which of the following is FALSE?

The Science of Geography

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Energy Flows and Nutrient Cycles

Biogeographic Divisions

Filters

The amount of CO₂ in the atmosphere is higher now than any time in the last 800,000 years.