This topic contains a solution. Click here to go to the answer

Author Question: Approximately how long ago did the dinosaurs suddenly become extinct? A) 6 million years ago B) ... (Read 59 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
Approximately how long ago did the dinosaurs suddenly become extinct?
 
  A) 6 million years ago
  B) 65 million years ago
  C) 245 million years ago
  D) 10,000 years ago

Question 2

The case of Venus tells us that which of the following is a critical factor in determining surface habitability?
 
  A) planetary size
  B) levels of geological activity
  C) distance from the Sun
  D) the presence of a magnetic field



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

heinisk01

  • Sr. Member
  • ****
  • Posts: 329
Answer to Question 1

B

Answer to Question 2

C




genevieve1028

  • Member
  • Posts: 601
Reply 2 on: Jul 27, 2018
:D TYSM


parshano

  • Member
  • Posts: 333
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

For a complete list of videos, visit our video library