PHYSICS MIDDLE SCHOOL

Why is atomaspheric pressure greater at the surface on Earth

Answers

Answer 1
Answer: Hello!

Because as you get closer to the surface of the earth, the more air that is on top of you. At the top of the atmosphere, there is less air, and everything is a vacuum, where you have no weight. When you get close to the earth, the weight of the air builds until it when you're at the very lowest point of the earths surface, all the air in the atmosphere above you is pressing down.

Thank You!
Answer 2
Answer: Because there are miles of air on top of you and air has mass so all the mass of the air on top of you is on your head and the ground. (the air can't penetrate the ground)

Take note: Air is also denser at sea level because it was compressed.

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Does a cell ever reach equilibrium

Answers

it nevers reaches equilibrium
Cells never reach equilibrium.

8 Explain How can subsidence lead to the formation of sedimentary rock

Answers

the water runs out the holler and through the creek an then the molecules sedimentate

What are earthquake prone zones

Answers

That means earthquakes are more likely to happen there than anywhere else.
earthquake Prone zone areas are those which are at the risk of earthquake mostly...
 prone zone areas include 
1 Islamabad ....Pakistan
2 Mexico
3 Izmir ....Turkey
4 Delhi ....India
5 Manila ..... Philippines...

In the metric system, the base unit for volume is the

Answers

The base unit would be liter.
The unit of volume most often used is the liter, because it's
so handy and useful in everyday life (except in the USA, that is). 

But the liter isn't the "base unit" of volume.  The base unit is the
cubic meter, and the liter is 0.001 of that.

Which of the following is true statement about isotopes?A.
The number of protons always equals the number of neutrons in all isotopes.

B.
The number of protons never equals the number of neutrons in an isotope.

C.
Different isotopes for the same element will always have the same numbers of neutrons.

D.
Different isotopes for the same element always have the same number of protons.

Answers

Answer:

D. different isotopes for the same element will always have the same numbers of neutrons.

Explanation:

An isotope is the different variant of an element that has different number of neutron. There are various elements found in nature that have different isotopes.

Number of neutrons present in atom is different for the same element which makes the mass of one isotope different from the another.

Example of such isotope : Isotope of hydrogen are Protium, Deuterium and Tritium.

Final answer:

Different isotopes for the same element will always have the same numbers of neutrons.

Explanation:

The correct statement about isotopes is C. Different isotopes for the same element will always have the same numbers of neutrons. Isotopes are variants of an element that have the same number of protons but different numbers of neutrons. The number of protons in an element determines its atomic number, whereas the sum of protons and neutrons determines its atomic mass. So, while isotopes of the same element have the same number of protons, they can have different numbers of neutrons.

Learn more about Isotopes here:

brainly.com/question/27475737

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A lizard accelerates from 2 m/s to 10 m/s in 4 seconds. what is the lizard average acceleration

Answers

Acceleration = (change in speed) / (time for the change)

change in speed = (ending speed) - (starting speed)

change in speed = (10 m/s) - (2 m/s)  =  8 m/s

Acceleration = (8 m/s) / (4 sec)

Acceleration = (8/4) (m/s²)

Acceleration = 2 m/s²
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