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

Author Question: During the Hadean Eon, life A) could have existed and survived regardless of impacts B) may have ... (Read 31 times)

rmenurse

  • Hero Member
  • *****
  • Posts: 513
During the Hadean Eon, life
 
  A) could have existed and survived regardless of impacts
  B) may have existed but probably could not have survived for long periods due to sterilizing impacts
  C) probably survived and existed until the end of the Hadean eon after which it was destroyed
  D) could not have existed at all

Question 2

Electromagnetic radiation of wavelength 200. nanometers is which type?
 
  A) X-rays
  B) ultraviolet
  C) microwaves
  D) AM radio
  E) visible



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yifu223

  • Sr. Member
  • ****
  • Posts: 302
Answer to Question 1

B

Answer to Question 2

B





 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

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?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

For a complete list of videos, visit our video library