Question

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Answer 1

Answer:

12) yes the atmospheric pressure depends on the altitude...........as we go to a higher level that is example hills , we see that the temperature is low and as we go down the altitude the temperature if high..........it is because of the low humidity present in the higher levels

13) as we go to Higher altitude the oxygen levels decrease ......we feel difficult in breathing , the air is dry so this dryness in the atmosphere cause the nose bleeding

I think this is the answer..........I hope it helps you

Answer 2

Explanation:

1. Pressure with Height: pressure decreases with increasing altitude. The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. At higher elevations, there are fewer air molecules above a given surface than a similar surface at lower levels.

So, as we go up at higher altitude the pressure decreases.  

2. Nosebleeds can be caused by being up in a very high altitude. As you climb higher, the amount of oxygen in the air decreases. This makes the air thinner and dryer, which can in turn cause the inside of your nose to crack and bleed.

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