Lesson 5.4 Earth's Climate History Answers

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In what type of climate do trees produce wider rings?

cool and dry

warm and wet

cool and wet

warm and dry

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What do scientists study to reconstruct past climate conditions?

tree branches, pollen grains, and rain water

pollen grains, tree rings, and fossils

rain water, tree rings, and fossils

fossils, pollen grains, and tree branches

What is the relationship between Earth's temperature and the number of sunspots that occur?

An increased number of sunspots causes an increase in Earth's temperature.

A decreased number of sunspots causes an increase in Earth's temperature.

An increased number of sunspots causes Earth's temperature to remain constant.

A decreased number of sunspots causes Earth's temperature to remain constant.

What is a fossil?

the remains of an animal or plant preserved within a layer of rock

a large body of compacted ice formed over thousands of years

the energy radiated from the Sun

a change in the structure of Earth's surface

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