Smarty Pants Quiz
09
00
00
What do we call the layer of gas that blocks the Sun's harmful rays?
The northern lights
The ozone layer
The greenhouse layer
Sorry, that wasn't it. Try again!
Ozone (O3) is a gas molecule composed of three oxygen atoms.
Smart choice, you're safe! Go here!
09
00
00
What do we call the layer of gas that blocks the Sun's harmful rays?
19 of 24 people (79.17%) answered this question correctly.
0
of 65 questions completed
Dashboard
Your Coins:
0
World Coin Count: 7250
Product
Value
Cost
Life
Buy lives to help pass the quiz.
1 x 50 Coins