Earth's Climate History

Question 1

In what type of climate do trees produce narrower rings?

Revolt · Accepted Answer

cool and dry

Question 2

What do glaciers deposit that helps scientists study ancient climates?

Revolt · Accepted Answer

sediment that contains fossils

Question 3

What should scientists consider when studying tree rings to understand the variations in the local climate?

Revolt · Accepted Answer

patterns in their width, their density, and their composition

Question 4

Pollen grains help scientists

Revolt · Accepted Answer

identify plants and make assumptions on past climate conditions.

Question 5

What is a fossil?

Revolt · Accepted Answer

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

Question 6

Which played a major role in altering wind patterns and ocean currents?

Revolt · Accepted Answer

movement of continents

Question 7

What are sunspots?

Revolt · Accepted Answer

storms on the Sun’s surface

Question 8

Mt. Pinatubo, a volcano in the Philippines, erupted in 1991. The eruption resulted in the cooling of Earth’s surface for two years.What can you deduce from the information given?

Revolt · Accepted Answer

The volcano released a lot of sulfur dioxide and ash.

Question 9

How do scientists study pollen grains to help them understand climate change?

Revolt · Accepted Answer

by analyzing and making inferences about them

Question 10

In what type of climate do trees produce wider rings?

Revolt · Accepted Answer

warm and wet

Earth's Climate History Answers

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