Question

Complete the paragraph to describe how scientists obtain information about past climates.

Glaciologists, geochemists, and climatologists study ice layers to learn about past climates. Distinct ice layers are caused by . When studying ice layers, scientists use to measure isotopes of certain gases. These gases reveal the at the time when the ice layers were formed.

Answer 1

1. Seasonal Changes

2. Spectrometers

3. Temperature

Step-by-step explanation:

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Answer 2

Seasonal changes

Spectrometer

Tempurature

Step-by-step explanation:

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