Author Question: What is the quaternary period? A) the period when Earth began. B) the last geologic era. C) ... (Read 28 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
What is the quaternary period?
 
  A) the period when Earth began.
  B) the last geologic era.
  C) the first geologic era.
  D) the present geologic era.

Question 2

Which of the following is not a way to add carbon dioxide to the atmosphere?
 
  A) burning fossil fuels.
  B) cooling of the oceans.
  C) warming of the oceans.
  D) land clearing for agriculture.



abctaiwan

  • Sr. Member
  • ****
  • Posts: 355
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

For a complete list of videos, visit our video library