Author Question: According to fossil evidence, how far back in time did life on Earth exist? A) about 545 million ... (Read 29 times)

Alygatorr01285

  • Hero Member
  • *****
  • Posts: 564
According to fossil evidence, how far back in time did life on Earth exist?
 
  A) about 545 million years B) about 2.0 billion years
  C) about 65 million years D) about 3.5 billion years or more

Question 2

Oceans cover more of Earth's surface than land.
 
  Indicate whether the statement is true or false



laurnthompson

  • 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?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

For a complete list of videos, visit our video library