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Author Question: On average, how often does a six-meter diameter asteroid collide with Earth? a. once a year b. ... (Read 76 times)

Ebrown

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on: Jul 13, 2018
On average, how often does a six-meter diameter asteroid collide with Earth?
   a. once a year
   b. once every five years
   c. once every ten years
   d. once every fifty years
   e. once every century

Question 2

NASA catalogs near-Earth-objects (NEOs) that are larger than ____ in diameter and come within about 75 million km of Earth.
   a. 10 m
   b. 100 m
   c. 1 km
   d. 5 km
   e. 15 km


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pikon

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Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: b


Ebrown

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Reply 2 on: Jul 13, 2018
Excellent

Zebsrer

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Reply 3 on: Yesterday
:D TYSM

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