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 65 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
:D TYSM

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Olenoides erratus from the Mt. Stephen Trilobite Beds (Middle Cambrian) near Field, British Columbia Olenoides erratus from the Mt. Stephen Trilobite Beds (Middle Cambrian) near Field, British Columbia
Throughout history, technology has had an impact on families. Today is no exception. Throughout history, technology has had an impact on families. Today is no exception.
Long Term Control Medications Long Term Control Medications
Long Term Control Medications Long Term Control Medications
Full-term Fetus Full-term Fetus
Asteroid Belt Asteroid Belt
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library