Answer:
does it have water and sun through the hole?
Explanation:
if not it will die. if you specify i will edit my answer.
Water, wind, glaciers, ice, and waves are the answers I got when I looked it up. But obviously that's five so I believe you could just take ice out since glaciers is there
Answer:
"pumps blood against a greater resistance" that the answers. hope this helped
Answer:
The thrust of the air propels the balloon in the opposite direction
Explanation: