Author Question: The earth is approximately how many years old? a. 1 billion. b. 9 million. c. 4.5 billion. ... (Read 162 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
The earth is approximately how many years old?
 
  a. 1 billion.
  b. 9 million.
  c. 4.5 billion.
  d. 13.5 million.

Question 2

_____________ is the relationship when a male mates with numerous females.
 
  a. Polygyny.
  b. Monogamy.
  c. Polyandry.
  d. Symbiosis.



Gabe

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library