« previous next »

Author Question: Approximately how many plant and animal species have been identified? A) 100,000 B) 1.75 million ... (Read 96 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
on: Jul 14, 2018
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
Reply #1 on: Jul 14, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

darbym82

  • Hero Member
  • *****
  • Posts: 570
Reply #2 on: Jul 14, 2018
Correct answers!


Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jul 14, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

The effects of beak depth on song among different species of Galapagos finches. The effects of beak depth on song among different species of Galapagos finches.
Nitrogenous wastes produced by different animal groups. Nitrogenous wastes produced by different animal groups.
Species richness decreases with distance from the source pool. Species richness decreases with distance from the source pool.
The Plant Cell Wall The Plant Cell Wall
Animal Cognition Animal Cognition
Examples of animal reproduction. Examples of animal reproduction.
Video: Optic Nerve and Optic Disk Animation (Part 1 of 2)

For a complete list of videos, visit our video library