This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The term Cambrian explosion refers to a. an asteroid impact. b. the breakup of a supercontinent. ... (Read 64 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
on: Jul 28, 2018
The term Cambrian explosion refers to
 a. an asteroid impact.
  b. the breakup of a supercontinent.
  c. intense, widespread volcanic activity.
  d. a proliferation of life forms.

Question 2

Which of the following eons is the oldest?
 a. Proterozoic
  b. Phanerozoic
  c. Hadean
  d. Archean


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tranoy

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


CharlieWard

  • Member
  • Posts: 578
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Identify the Main Term Identify the Main Term
A typical battery-powered 3/8 inch drive impact wrench. A typical battery-powered 3/8 inch drive impact wrench.
Industrial Waste and the Impact on the Environment Industrial Waste and the Impact on the Environment
Full-term pregnancy Full-term pregnancy
The Impact of Climate Change in the world The Impact of Climate Change in the world
Types of Long-Term Memories Types of Long-Term Memories
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library