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 72 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
Excellent

tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

The Hippocampal Formation and Long-Term Potentiation The Hippocampal Formation and Long-Term Potentiation
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.
A black impact socket. Always use an impact-type socket whenever using an impact wrench to avoid ... A black impact socket. Always use an impact-type socket whenever using an impact wrench to avoid ...
Full-term Fetus Full-term Fetus
No payments were made on a $2,598 loan during its three-year term. What was the annually ... No payments were made on a $2,598 loan during its three-year term. What was the annually ...
Video: Origin of organelles Animation

For a complete list of videos, visit our video library