« previous next »

Author Question: According to optimistic estimates, the end of habitability of Earth will come about A) a few ... (Read 34 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
According to optimistic estimates, the end of habitability of Earth will come about
 
  A) a few hundred thousand years from now
  B) a billion years from now
  C) 3 to 4 billion years from now
  D) 100 million years from now

Question 2

The process whereby heat flows by the mass movement of molecules from one place to another is referred to as
 
  A) conduction.
  B) convection.
  C) radiation.
  D) inversion.
  E) evaporation.


otokexnaru

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ssal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 27, 2018
Thanks


otokexnaru

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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?

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

The Tilt of Earth’s Axis The Tilt of Earth’s Axis
Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his Earth’s history spans 4.5 billion years. Geologists and paleontologists have pieced together the his
Distribution of Earth's Water Distribution of Earth's Water
The Distribution of Water on Earth The Distribution of Water on Earth
Escape Speed from Earth Escape Speed from Earth
Earth 340 Million Years Ago Earth 340 Million Years Ago
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library