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


flash cards
pollutant subsistence that harm any part of the enviorment
acid percipitation rain with a pH below 5.6 which occurs when air pollutants from burning fossil fuels react with water in the air to form strong acids
greenhouse effect heat trapping feature of earths atmosphere that keeps earth warm enough to support life
ozone depletion the thinning of earths ozone layer caused by chlorofluorocarbons reacting with ozone
erosion movement of soil from one place to another
hazardous waste waste materials, such as precipitates, and left over paints, that are harmful or poisonous to living organisms
Created by: william_murray1