Atmospheric pressure _____________ with height.a)Increaseb)Decreasec)Depends upon seasond)Remain sameCorrect answer is option 'B'. Can you explain this answer?

Question

Answer

Density of air decreases with height. There are two reasons: at higher altitudes, there is less air pushing down from above, and gravity is weaker farther from Earth's center. So at higher altitudes, air molecules can spread out more, and air density decreases .

Answer

Atmospheric Pressure and Height

Atmospheric pressure is the force exerted by the weight of the atmosphere on the Earth's surface. It is measured in units of millibars or inches of mercury. The atmospheric pressure changes with the change in altitude. In general, atmospheric pressure decreases with an increase in altitude.

Explanation:

The atmosphere is composed of various gases and their molecules. These molecules are in constant motion and collide with each other, creating pressure on the Earth's surface. The pressure exerted by the atmosphere is highest at sea level because of the weight of the air above it. As we move up from the sea level, the air gets thinner, and the pressure decreases.

The decrease in atmospheric pressure with height can be explained by the following two factors:

Decrease in Density: As we move up from the sea level, the density of air decreases. This is because there are fewer air molecules at higher altitudes than at lower altitudes. The fewer air molecules create less pressure, resulting in a decrease in atmospheric pressure.

Decrease in Gravity: The force of gravity pulls the air molecules towards the Earth's surface. As we move up from the sea level, the distance from the Earth's surface increases, and the force of gravity decreases. This results in a decrease in atmospheric pressure.

Conclusion:

In conclusion, atmospheric pressure decreases with height. The decrease in atmospheric pressure is due to the decrease in density and gravity with height. The decrease in atmospheric pressure has various effects on the environment and living organisms.

Answer

Correct answer is b decrease

Answer

Answer is.       Pressure with height  pressure decreases with increases altitude the pressure at any level it atmosphere may be a interpretedc as the total weight of the air above the unit at any elevation at higher elevation there are fewer air moleuules above a given surface than a similar surface lower level

Answer

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. For example, there are fewer molecules above the 50 km surface than are found above the 12 km surface, which is why the pressure is less at 50 km.

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