An asteroid 2 km or more across could cause a worldwide catastrophe. Such an asteroid is thought

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An asteroid 2 km or more across could cause a worldwide catastrophe. Such an asteroid is thought to collide with the earth an average of roughly every

a. Thousand years
b. Million years

c. Billion years

d. 10 Billion years

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The Physical Universe

ISBN: 978-0077862619

16th edition

Authors: Konrad B Krauskopf, Arthur Beiser

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Question Posted: Mar 12, 2020 06:43 AM

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An asteroid 2 km or more across could cause a worldwide catastrophe. Such an asteroid is thought

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The Physical Universe

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