Assume that the average rate of 1-km sized asteroids hitting the ...

[burchfield96]

Assume that the average rate of 1-km sized asteroids hitting the Earth is about 1 every million years. The chance of the Earth being hit by a 1-km sized asteroid in the next 100 years is about:
 
  A) one in ten thousand.
  B) one in a million.
  C) zero.
  D) one in 100 million.
  E) inevitable, it has to happen sometime.

Question 2

Galaxies contain less mass as dark matter than as visible stars.
 
  Indicate whether the statement is true or false

[catron30]

Answer to Question 1

A

Answer to Question 2

FALSE

[burchfield96]

TY

[catron30]

You're welcome