Climate Change — Unit test Answers

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Which major type of air mass forms over warm water?

A
maritime polar
B
continental polar
C
maritime tropical
D
continental tropical
3

Humid subtropical climates are home to

A
dense shrubs.
B
thick coniferous forests.
C
grasslands and few trees.
D
coniferous and deciduous trees.
4

What must occur for air masses to form fronts?

A
They must increase in strength.
B
They must collide with each other.
C
They must move from west to east.
D
They must create air-pressure differences.
5

Which climate is a subcategory of temperate marine climates?

A
arid
B
humid subtropical
C
humid continental
D
tundra
6

Which correctly lists the three weather factors that are indicators of climate change?

A
sunsets, wind patterns, clouds
B
ocean currents, ice cores, temperature
C
temperature, wind patterns, ice cores
D
wind patterns, temperature, ocean currents
7

Which is a possible consequence of decreasing air quality resulting from global warming?

A
drying out of fertile lands
B
flooding of low-lying coastal areas
C
melting of glaciers and polar ice caps
D
decrease in population due to health threats
9

Which statement best describes monsoons?

A
They force cool, moist air from oceans to rise.
B
They are winds that blow in the opposite direction of a normal wind.
C
They bring heavy rain in the winter and in the summer.
D
They influence precipitation as wind moves near a mountain.
10

What must happen for most areas on Earth to experience all four seasons?

A
The Sun must reach its highest point in the sky.
B
The Northern Hemisphere must experience winter.
C
The axis must be tilted at a certain angle that remains unchanged.
D
The north end of Earth’s axis must always point away from the Sun.
11

Which is a natural factor that causes long-term climate change?

A
Earth’s position
B
pollen grains
C
fossils
D
ice cores
12

Which describes one characteristic of both El Niño and La Niña?

A
Both are causes of long-term climate change.
B
Both create warmer water.
C
Both occur in the Pacific Ocean.
D
Both are causes of hurricane activity.
13

How does altitude affect climate patterns in a region?

A
Areas at high elevations have cooler temperatures.
B
Air continues to warm as it rises to a higher elevation.
C
Tropical regions do not have many differences in altitude.
D
High-altitude areas have less variation in seasonal temperatures.
14

In December, a city in the Southern Hemisphere has warm weather all month long.What causes this to happen?

A
The city experiences fewer hours of daylight.
B
The city is experiencing a winter solstice.
C
There is a high concentration of the Sun’s rays in that region.
D
The Sun reaches its highest point in the sky during this month.
15

Which is an important safety measure that should be taken during a hurricane?

A
Move away from windows.
B
Seek shelter in a ditch or low-lying area.
C
Go to the lowest level of the building.
D
Lie on the floor and cover your head.

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