a) According to the attached graph, the minimum size of an object that could cau
ID: 1558803 • Letter: A
Question
a) According to the attached graph, the minimum size of an object that could cause a mass extinction is a little less than _____.
A. 10 m
B. 100 m
C. 10 km
D. 100 km
b) Based on the attached graph, which statement below most accurately describes the impacts that we should expect on Earth during the coming year?
A. Only objects smaller than 1 meter across will hit the Earth.
B. Earth will be hit by one object about 100 meters in diameter and several objects of about 10 meters in diameter.
C. Earth will be hit by at least one object a few meters in diameter, along with many smaller objects.
D. Earth will be hit by one object that is a few meters in diameter, but no larger or smaller objects.
1 hour 1 day 1 year atmospheric explosion or small crater 100 years tsunamis 1000 widespread years devastation, climate change 1 million years mass extinction 100 million years once in H Earth's history 1 m 10 m 100 m 1 km 10 km 100 km impactor size (crater is about 10 times larger)Explanation / Answer
Answer of partA) is in the graph, min size of objectthat could cause a mass exinction is a little less than 10 km.
Fo part B )- answer is A.
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