Author Question: Approximately how many plant and animal species have been identified? A) 100,000 B) 1.75 million ... (Read 167 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
Approximately how many plant and animal species have been identified?
 
  A) 100,000 B) 1.75 million C) 3.4 million D) 13.6 million E) 111.7 million

Question 2

Molten rock beneath the Earth's surface is known as ________, whereas molten rock on the Earth's surface is called ________.
 
  A) magma; lava
  B) lava; extrusive
  C) magma; intrusive
  D) lava; magma
  E) extrusive; intrusive



Jossy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Jossy

  • Sr. Member
  • ****
  • Posts: 336

 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

For a complete list of videos, visit our video library