Earth's Climate History

Question 1

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 2

What is one cause of long-lasting climate change?

Revolt · Accepted Answer

Earth’s elliptical orbit

Question 3

Which factors of Earth’s position would contribute to long-term climate change?

Revolt · Accepted Answer

its elliptical orbit and the tilt on its axis

Question 4

What are sunspots?

Revolt · Accepted Answer

storms on the Sun’s surface

Question 5

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 6

Pollen grains help scientists

Revolt · Accepted Answer

identify plants and make assumptions on past climate conditions.

Question 7

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

Revolt · Accepted Answer

movement of continents

Question 8

What do glaciers deposit that helps scientists study ancient climates?

Revolt · Accepted Answer

sediment that contains fossils

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 narrower rings?

Revolt · Accepted Answer

cool and dry

Earth's Climate History Answers

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