Answer:
1. What happens when air is heated or cooled? ... So air, like most other substances, expands when heated and contracts when cooled. Because there is more space between the molecules, the air is less dense than the surrounding matter and the hot air floats upward.
Step-by-step explanation:
Hope this helps
1100 bales of hay arr used for the maze at the state fair.
Answer:Number Example Natural number are those number which we can count.It denoted by N
Step-by-step explanation:
26 1/5 is the answer i got
