PHYSICS MIDDLE SCHOOL

Explain why atmospheric pressure changes as atmospheric depth changes.

Answers

Answer 1
Answer: the lower you go in relation to the top of the atmosphere the larger the column of air is that is pressing down on you. 
Answer 2
Answer:

Answer:

The force of the collisions creates pressure on the container. ... Explain why atmospheric pressure changes as depth changes. Atmospheric pressure increases as depth increases because at lower levels of the atmosphere, there is more air above that is being pulled down by gravitational force.

Explanation:

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Which has more energy for erosion? A. fast-moving stream B. slow-moving creek C. lake D. rainfall

Answers

A. A fast moving stream. Water has erode Earth for thousands of years. This was what caused the Grand Canyon. A faster ,owing stream would cause a faster erosion due to the speed and strength of the water itself.

the answer is A because its in 1.18 i took it

Clouds made mostly of ice crystals that form high above earth are called?

Answers

they are called Cirrus clouds.

which is the of these their statements correctly describes a key difference between aerobic activity and anaerobic activity

Answers

aerobic uses oxygen to liberate heat while anaerobic is in the absence of oxygen.

Name two ways to reduce friction and two ways to increase it.

Answers

Ways to increase friction 

- increase the roughness of the contact materials 
- increase the pressure on the contact 


Ways to decrease friction 

- float the moving body on air 
- suck out any air 

How do you relate and explain a planet's distance from the Sun to things like the time of their year & their average tempareature

Answers

What we call a "year" is the time a body takes to complete one orbital revolution
in its path around the sun.  The way gravity works, the farther a planet is from the
sun, the slower it moves, and the longer it takes to complete that trip.  So, farther
out from the sun means a longer "year".

Everybody knows that if you want to get more warmth, then you have to stand closer
to the fire, and it's the same with planets.  The farther a planet is from the sun, the less
heat it gets from the sun, and in most cases, that means its average temperature is
lower. (The planet's average temperature is affected by other things besides its distance
from the sun, such as how much heat comes up from inside, and how much heat its
atmosphere traps.)

The farther a planet's rotation axis is tilted from being perpendicular to the plane
of its orbit, the more seasonal variation there can be in the temperature at any one
place on its surface.  Of course, this is kind of irrelevant if the planet has no surface.

A dart is thrown horizontally with an initial speed of 10 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, vertically below P, 0.19 s later. (a) What is the distance ?
(b) How far away from the dart board is the dart released?

Answers

D=s(t) so it would be d=10(.19) d=.19 FOR BITH SNDWERS
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