1. What is the primary source of evidence scientists use to study past climates? a. Only tree rings b. Multiple sources including ice cores,fossilized pollen, and ocean sediments c. Solely written historical records d. Modern temperature readings 2. During an ice age,what is the primary characteristic of Earth's surface? a. Increased volcanic activity b. Extended drought conditions c. Extensive glacial coverage d. Higher sea levels

Question

1. What is the primary source of evidence scientists use to study past climates? a. Only tree rings b. Multiple sources including ice cores,fossilized pollen, and ocean sediments c. Solely written historical records d. Modern temperature readings 2. During an ice age,what is the primary characteristic of Earth's surface? a. Increased volcanic activity b. Extended drought conditions c. Extensive glacial coverage d. Higher sea levels

Answer 1

1. b. Multiple sources including ice cores, fossilized pollen, and ocean sediments2. c. Extensive glacial coverage

Answer 2

## Step1The first question is about the primary source of evidence scientists use to study past climates. The options provided are: only tree rings, multiple sources including ice cores, fossilized pollen, and ocean sediments, solely written historical records, and modern temperature readings.## Step2The second question is about the primary characteristic of Earth's surface during an ice age. The options provided are: increased volcanic activity, extended drought conditions, extensive glacial coverage, and higher sea levels.

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