This topic contains a solution. Click here to go to the answer

Author Question: Most scientists believe that the Big Bang took place approximately ____ years ago. A)140 billion ... (Read 96 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
Most scientists believe that the Big Bang took place approximately ____ years ago.
 A)140 billion
 B)40 billion
 C)14 billion
 D)140 million
 E)40 million

Question 2

According to most scientists, what is the greatest environmental problem facing the world today?
 A)climate change
 B)the ozone hole
 C)water pollution
 D)overpopulation
 E)waste disposal



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

brbarasa

  • Sr. Member
  • ****
  • Posts: 308
Answer to Question 1

C

Answer to Question 2

D




Davideckstein7

  • Member
  • Posts: 555
Reply 2 on: Jul 13, 2018
Excellent


jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

For a complete list of videos, visit our video library