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

Author Question: The increase of atmospheric CO2 levels to 400 ppm has tipped Earth's natural greenhouse effect ... (Read 44 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
on: Jul 29, 2018
The increase of atmospheric CO2 levels to 400 ppm has tipped Earth's natural greenhouse effect toward global warming. The rise of CO2 is due to
 
  A) human activitythe burning of fossil fuels (coal, oil, and gas) and deforestation.
  B) human activityoverpopulat ion and increased reliance on solar energy.
  C) human negligenceefforts of not recycling waste materials for potential reuse.
  D) the industrial revolution and increased cloud cover.

Question 2

The evidence for present-day global warming include
 
  A) extreme weatherheat waves and droughts.
  B) melting of Arctic and Antarctic sea ice and continental ice fields and glaciers.
  C) severe winter storms, and increased downpours and flooding.
  D) all of the above.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

djpooyouma

  • Sr. Member
  • ****
  • Posts: 325
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


vinney12

  • Member
  • Posts: 586
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth. False-color imagery of the Sun, a G-type main-sequence star, the closest to Earth.
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
Solar EM Radiation Penetration into Earth's Atmosphere Solar EM Radiation Penetration into Earth's Atmosphere
How to transform the natural exponential function (e^x) How to transform the natural exponential function (e^x)
Proteins can have several levels of structure Proteins can have several levels of structure
Respiratory response to increased activity levels Respiratory response to increased activity levels
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library