Earth's Climate History Answers

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Which statement best explains how tectonic activity affects long-term climate change?

Volcanic eruptions change Earth’s tilt, which is responsible for the seasons.

The movement of continents changes wind patterns and ocean currents.

The change in Earth’s elliptical orbit around the Sun causes climate change.

The increase of sunspots increases Earth’s temperature.

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 most likely caused the ice ages?

the size of tree rings and the amount of pollen grains

solar flares and gassy ejections from the Sun

the tilt of the Earth’s axis and the shape of its orbit

the temperatures of the Sun and moon

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.

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