Answer:
<em>C</em>
Explanation:
<em>The same types of atoms</em>
<span>3) which is an example of a physical change
</span><span>a) grinding pepper</span>
Answer:
32 meters
Explanation:
You use the formula a^2 + b^2 = c^2.
Plug in the length and hypotenuse.
60^2 + b^2 = 68^2
Simplify and Solve:
3600 + b^2 = 4624
4624 - 3600 = b^2
1024 = b^2
Sqrt 1024 = 32
b = 32
greenhouse gases can cause Earth's atmosphere to trap more and more heat. This causes Earth to warm up.