Busy. Please wait.
Log in using Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how


Chapter 18-20

Domestication The process of training and breeding animals for use by humans.
Communism A system of government in which the government controls the means of production
Eurasia The name some geographers suggest should be used for landmass of Europe and Asia
Island Sea A sea that is almost completely surrounded by land
Tundra A dry, treeless plain where temperatures are grow
Taiga Thinly scattered, coniferous forest found in Europe and Asia.
Steppe A temperature grassland found in Europe and Asia
Multiethnic Composed of many ethnic groups
Ethnic Group People who shared such things as culture, language, and religion
Acid Rain Rain whose high consentration of chemicals, usually from industrial pollution
Infant mortality The number of children per 1,000 live births who died within the first year
Maternal mortality the number of women who died due to pregnancy and childbirth complications per 100,000 live births.
Life Expectancy The number of years an individuals is expected to live as determined by statistics
chrenozem A rich top soil found in the Russian steppes and other mid-latitude grasslands
permafrost A layer of soil just below the earths surface that stays permanently frozen
czar An emperor of Russia
abdicate To surrender one's office, throne, or authority
soviet In the former Soviet Union, any one of various governing councils
command economy An economic system that is controlled by a single central government
glasnost A policy of openness introduced in the Soviet Union in the late 1980's
glasnost In the
black market
Created by: Diana_ramirez



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards