Earth's Climate History Answers

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How does volcanic activity affect climate?

Answers:
Gas and ash filter out solar radiation, causing the temperature to .:decrease
Water vapor and carbon dioxide are released into the atmosphere, causing the climate to get .:warmer
137409

✔ warmercooler drier

A
✔ warmer
B
cooler
C
drier
137410

If Earth was not tilted on its axis, what changes would you expect to see in the seasons?

A
Summer would last much longer than winter.
B
Winter would last much longer than summer.
C
Temperatures in summer and winter would be more extreme.
D
Temperatures in summer and winter would be very similar.
137411

How can sunspots affect Earth’s climate?

A
An increase in sunspots could cause an increase in Earth’s temperature.
B
The magnetic pull of sunspots could change the shape of Earth’s orbit.
C
A decrease in sunspots could cause an increase in Earth’s temperature.
D
Sunspots can contribute to the buildup of greenhouse gases.
137412

Which factors were affected by the breakup of the supercontinent Pangaea? Check all that apply.

A
the shape of Earth’s orbit
B
global wind patterns
C
ocean currents
D
the tilt of Earth’s axis
E
global climates
137414

Why are pollen grains useful when studying the climate history of a region?

A
They may contain the remains of ancient organisms.
B
They may have rings inside them that reflect variations in the local climate.
C
They can be preserved within the fossils of organisms that carry them.
D
They provide clues about the types of plants that grew in a region at a particular time.
137415

What can you determine about the climate during the 15-year period during which the tree rings grew wider?

A
The climate was warmer and wetter.
B
The climate was warmer and drier.
C
The climate was colder and drier.
D
The climate was colder and wetter.
137416

If Earth was not tilted on its axis, what changes would you expect to see in the seasons?

A
Summer would last much longer than winter.
B
Winter would last much longer than summer.
C
Temperatures in summer and winter would be more extreme.
D
Temperatures in summer and winter would be very similar.
137418

How does volcanic activity affect climate?

Answers:
Gas and ash filter out solar radiation, causing the temperature to .:decrease
Water vapor and carbon dioxide are released into the atmosphere, causing the climate to get .:warmer

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