Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
Answer:
It's B. Perjury and B. Obstruction of Justice
Explanation:
Answer:
true
Explanation:
because it is true not false
Answer:
Hope this helps
Explanation:
1 The fish could have been overfished so they were all taken
2 when thd dump was built the river got polluted and killed the fish
3 a mix of both so the fish decided to leave.
Those are the reasons I belive hope this helps.
