Please answer 4,5,6 questions
Answers
4)The air from more inflated balloon moves to less inflated air balloon because air moves from higher pressure to lower pressure. Pressure is more in more inflated balloon.
5)The pressure in our lungs and atmosphere maintains a balance. That's why we are able to breathe comfortably.
But at higher altitudes the pressure is less and oxygen supply is also lesser.
So we cannot breathe at higher altitudes (heights)as comfortably as we can breathe on the ground .This is due to pressure difference.
6)
1)The water in test tube goes down because water from test tube moves into the container because pressure is more in the test tube then container.Water from test tube of high pressure moves to container of low pressure.
2)After some time pressure in test tube and container come to equilibrium and water level remains constant.
3)On the top of a mountain when the activity is performed