Author Question: Approximately how many plant and animal species have been identified? A) 100,000 B) 1.75 million ... (Read 127 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?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library