« previous next »

Author Question: According to optimistic estimates, the end of habitability of Earth will come about A) a few ... (Read 67 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?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

The Sun is the nearest star to Earth. The Sun is the nearest star to Earth.
Rivers on Mars and Earth Rivers on Mars and Earth
Earth’s Revolution Earth’s Revolution
Earth’s orientation Earth’s orientation
Precession: Earth’s axis rotates, or “wobbles” Precession: Earth’s axis rotates, or “wobbles”
Idealized Tidal Bulges on Earth Idealized Tidal Bulges on Earth
Video: Cardiac Cycle (Part 2 of 4)

For a complete list of videos, visit our video library