Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Tienn
0
%
0
0
0
Back
Restart
What is this called?
Fossil fuel
Oops!
Okay!
What should we all do to help the environment?
Recycle
Oops!
Okay!
The most abundant gas on the earth’s atmosphere is A.Oxygen B.Carbon C.Nitrogen D.Hydrogen
Nitrogen
Oops!
Okay!
What is this called?
Deforestation
Oops!
Okay!
The study of weather is called? A.meteorology B.climatology C.aeronomy D.aerology
meteorology
Oops!
Okay!
What is happening to earth as a result of CO2 emissions?
Global warming
Oops!
Okay!
What type of energy do these use?
Solar energy
Oops!
Okay!
What do greenhouse gases cause?
Global warming
Oops!
Okay!
What is 3R?
REDUCE, REUSE, RECYCLE
Oops!
Okay!
What is this?
Air pollution
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies