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

Author Question: An anoxic atmosphere was needed for life to first form on Earth. a. True b. ... (Read 41 times)

B

  • Hero Member
  • *****
  • Posts: 570

An anoxic atmosphere was needed for life to first form on Earth.
  a. True
  b. False



Question 2

Earths early atmosphere was similar to the present day atmosphere, composed mostly of oxygen and nitrogen.
  a. True
  b. False




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

medine

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

True

Answer to Question 2

False




B

  • Member
  • Posts: 570
Reply 2 on: Aug 22, 2018
:D TYSM


AmberC1996

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

For a complete list of videos, visit our video library