« previous next »

Author Question: The most abundant greenhouse gas in Earth's current atmosphere is a. carbon dioxide (CO2). b. ... (Read 156 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jul 13, 2018
The most abundant greenhouse gas in Earth's current atmosphere is
   a. carbon dioxide (CO2).
   b. nitrous oxide (N2O).
   c. water vapor (H2O).
   d. methane (CH4).
   e. chlorofluorocarbons (CFCs).

Question 2

The only substance near Earth's surface that is found naturally in the current atmosphere as a solid, liquid, and a gas is
   a. carbon dioxide.
   b. water.
   c. molecular oxygen.
   d. ozone.
   e. carbon.


britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 13, 2018
Answer to Question 1

ANSWER: c

Answer to Question 2

ANSWER: b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

fox

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 13, 2018
Thank you


britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 13, 2018
No problemo


« previous next »
 

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Possible Earth 5 billion years from now Possible Earth 5 billion years from now
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Variable Gases: Carbon Dioxide Variable Gases: Carbon Dioxide
Earth’s Climate System Earth’s Climate System
Exchange of Oxygen and Carbon Dioxide Exchange of Oxygen and Carbon Dioxide
carbon cycle carbon cycle
Video: Gastroesophageal Reflux Disease (GERD)

For a complete list of videos, visit our video library