« previous next »

Author Question: According to optimistic estimates, the end of habitability of Earth will come about A) a few ... (Read 18 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?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

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

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
Planets, Earth and Moon Planets, Earth and Moon
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Earth’s Spheres Earth’s Spheres
Earth’s Revolution and Rotation Earth’s Revolution and Rotation
Earth 430 Million Years Ago Earth 430 Million Years Ago
Video: Neurosynapse Animation

For a complete list of videos, visit our video library