« previous next »

Author Question: Approximately how many plant and animal species have been identified? A) 100,000 B) 1.75 million ... (Read 126 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?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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.

Structure of a typical plant cell Structure of a typical plant cell
Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa Approximately 1 pound (0.45 kg) of ground elk meat formed into patties; note the relatively small fa
Plant Cell Plant Cell
A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal. A Fischer-Tropsch processing plant is able to produce a variety of fuels from coal.
Examples of Pathogenic Microbes Identified Since 1973 Examples of Pathogenic Microbes Identified Since 1973
A C4 Plant: Millet A C4 Plant: Millet
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library