Respuesta :
Air is less dense on a mountain top than at sea level.
More force pushes on the air at the bottom of an air column.
As you descend a mountain, air molecules are closer together.
Answer: Option A, D & E
Explanation:
Air pressure means the effect of gravitational force acting on the surface area. Density is the measurement on the arrangement of the molecules. Altitude is the height above sea level. Air pressure decrease with altitude.
The altitude always determines the air pressure and density. As we get above the sea level the air is less dense lacking Oxygen. At higher altitude the air molecules spread more. Due to earth’s gravity the air is pushed towards the bottom of an air column.
The ways in which altitude affects air pressure and density are : ( A, D, E )
- Air is less dense on a mountaintop than at sea level
- More force pushes on the air at the bottom of an air column
- As you descend a mountain, air molecules are closer
Air pressure decreases as you move higher ( i.e. increase in altitude ) because air pressure is determined by the effect of the force of gravity acting on a surface area. also the air density becomes less dense when we go above sea level and this is simply because the air molecules are not closely held together at higher altitude which makes air to become less dense.
Hence we can conclude that ; Air is less dense on a mountaintop than at sea level, More force pushes on the air at the bottom of an air column and As you descend a mountain,air molecules are closer.
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