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Fossil Discovery and Scientific Advancements

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Fossil Discovery and Scientific Advancements

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Questions and Answers

What allows scientists to determine the age of fossils?

Biologists tracing the ancestry of organisms

Modeling Earth's past appearances

Studying past ice ages

Dating methods (correct)

Why would paleontologists 500 years ago imagine a fearsome, fire-breathing dragon had been killed in a battle when finding a fossil?

Lack of scientific knowledge and technology (correct)

Ancestry tracing of organisms

Modeling past appearances of Earth

Studying past ice ages

What is the main purpose of satellite imaging?

Modeling Earth's past appearances

Tracing the ancestry of organisms

Taking pictures of Earth (correct)

Comparing older images with new ones

Which technology allows geologists to model what Earth looked like in past ages?

Satellite imaging Signup and view all the answers

What is one of the uses of artificial satellites around Earth?

Taking pictures of Earth for satellite imaging Signup and view all the answers

Why has Earth's history become clearer as technology advanced?

Because of advancements in dating methods Signup and view all the answers

What type of light can be used to create images, according to the text?

Ultraviolet light Signup and view all the answers

How did satellites help farmers, as mentioned in the text?

Show wet or dry areas Signup and view all the answers

What was the hypothesis published by the scientists regarding the K-T extinction?

A large asteroid could have caused the event Signup and view all the answers

What did Alan Hildebrand find in the K-T layer in Haiti, leading to his hypothesis about a large asteroid impact?

Small glassy particles and marine sediments Signup and view all the answers

What did Glen Penfield's team discover in Mexico that led to the eventual comparison of findings with Alan Hildebrand?

A magnetic field in the shape of a half-circle in the Yucatán Peninsula Signup and view all the answers

What evidence did Alan Hildebrand and Glen Penfield find that indicated a large asteroid impact on Earth?

A barren, rocky surface with round depressions of various sizes Signup and view all the answers