« previous next »

Author Question: The oldest evidence of life on Earth dates back to about how many years ago? a. 65 million b. 3.8 ... (Read 59 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jul 28, 2018
The oldest evidence of life on Earth dates back to about how many years ago?
 a. 65 million
  b. 3.8 million
  c. 3500 million
  d. 570 million

Question 2

Breaks, or gaps, in the rock record at a given locality are called
 a. unconformities.
  b. preconformities.
  c. nonconformities.
  d. disconformities.


cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

bclement10

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #3 on: Jul 28, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

(a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b) (a) The site of Zhoukoudian outside of Beijing, China, spans several hundred thousand years and (b)
Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ... Standing at the head of the table, apply oil or lotion to the entire back with bilateral stroking. ...
Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly. Apply the body wrap substance to the back with long, smooth strokes, covering the area thoroughly.
Pregnancy Life Pregnancy Life
How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition How Does Earth Work? Physical Geology and the Process of Science, 2nd Edition
Historical Life Expectancy Historical Life Expectancy
Video: Carpal Tunnel Syndrome

For a complete list of videos, visit our video library