Answer:
air
Explanation:
The water molecules are being added to the oxygen and hydrogen in the air, which makes it heavier
Technology and industrialization are two top ones.
4 is c and 5 I think is a
1: I believe is B.
2: I believe is True
3: I believe is D.
4: I believe is D.
5: I'm not completely sure about this one, because it depends on the substance. Rocks molecules don't move because the object is solid, no matter how cold or hot the rock is. But if I were to guess, I would say True.
6: I believe is A.
7: I believe is B.
8: I believe is False.
9: I believe is False.
10: I believe is C.
11: I believe is False.
12: I believe is C.
13: I believe is A.
14: I believe is A.
I really hope I got all of these correct. Hope this helped!
-TTL