Author Question: Which of the following is an effective mutagenic agent that could have affected the course toward ... (Read 30 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
Which of the following is an effective mutagenic agent that could have affected the course toward plant domestication among the Natufians?
 
  a. wind
 b. snow
 c. water
  d. fire

Question 2

Melanin is known to protect the skin against damaging ultraviolet solar radiation.
 
  a. True
  b. False
  Indicate whether the statement is true or false



coyin

  • Sr. Member
  • ****
  • Posts: 334
Answer to Question 1

d

Answer to Question 2

True



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

For a complete list of videos, visit our video library