In general, atmospheric pressure is greatest near earth's surface and as you move upward away from sea level.
a. decreases
c. stays the same
b. increases
d. doubles

The correct answer to the question is : Decreases.

EXPLANATION:

In general,the atmospheric pressure is always highest near the surface of earth.

As per the question, we are moving up. The more we go above the surface of earth, the air density gradually decreases.

The air pressure is the force exerted by air per unit area. It is the air density which determines the pressure exerted on a particular location.

As there is decrease of air density when we go upward from see level, the pressure exerted by air molecules decreases.

Hence, the atmospheric pressure decreases when we move upward from the sea level.

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

air exerts forces on falling objects near earth’s surface.

explanation:

the term 'free falls' refer to object that are falling towards the earth, in a situation in which gravity is the only force acting on the object.

for an object in free fall, the acceleration is constant (g, the gravitational acceleration), and so the velocity of the object constantly increases.

for objects near earth's surface, there is always another force acting on the object: the resistance due to the air. this force is opposed to the direction of fall of the object, and it is proportional to the velocity of the object, so as the object falls down, this force increases up to a point when it balances the force of gravity, and the object continues its motion at constant velocity (called terminal velocity). since in this case gravity is not the only force acting on the object, we are not in a situation of free fall.