Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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


Yellow pages

Fluctuate To rise and to fall
Birth rate The number of births per1000 people in one year
Death rate The number of deaths per 1000 people in one year
One hectare 10,000 metres square or half the size of croke park
Irrigation Supplying dry agricultural land with water through canals or plastic
Population distribution The dispersal of people in the world. it is very uneven
Population density The average number of people living in a square kilometre
Desertification The spread of a desert due to drought overgrazing and tree felling
The north The developed world or the first world
The south The developing world or the Third world
Created by: delvinceltic