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labwork [276]
2 years ago
5

Due to human demand because of its importance to life, the Earth's most precious resource is 

Physics
2 answers:
pychu [463]2 years ago
3 0
The answer is variant C because every living organism needs water to survive. A human can live without water only 6 days, after that period the most important organs start to shut down because of the lack of water.
Kaylis [27]2 years ago
3 0

Due to human demand because of its importance to life, the Earth's most precious resource is? The answer is C. Freshwater because are most important organs start to shut down after 6 days of no water. The answer is not D. Oil

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What do you call the curved upper surface of the water that comely appears when using a graduated cylinder
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The curved surface of water is called the meniscus
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3 years ago
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What is matter? Give a grade 10/11/12 understanding.
lara [203]

Matter can be many things, but is mostly made of atoms. Atoms are small things that cannot be seen directly, as lights either passes through it or alters it. However, we know that atoms are made of 3 parts, those being the proton, neutron, and electron.

Protons have a positive electromagnetic charge.

Neutrons have no charge.

Electrons have a negative charge equal to the protons positive charge.

Protons and neutrons make up what's called the nucleus, which is orbited by the electrons.

Protons and neutrons also share another thing in common, that being their composition.

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3 0
3 years ago
After a nucleus undergoes radioactive decay, its new mass number is:
Ivanshal [37]
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After that happens, there's less stuff in the nucleus than there was before.
So the new mass number is always less than the original mass number.
7 0
3 years ago
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Example of items that changed chemically
Ostrovityanka [42]
Burning of gases is one the example of chemical change
3 0
3 years ago
swings a 5.5 kg cup of water in a vertical circle of radius 1.9 m. (a) What minimum speed must the cup have in this demo if the
Tanzania [10]

Answer:

4.32

Explanation:

The centripetal acceleration of any object is given as

A(cr) = v²/r, where

A(c) = the centripetal acceleration

v = the linear acceleration

r = the given radius, 1.9 m

Since we are not given directly the centripetal acceleration, we'd be using the value of acceleration due to gravity, 9.8. This means that

9.8 = v²/1.9

v² = 1.9 * 9.8

v² = 18.62

v = √18.62

v = 4.32 m/s

This means that, the minimum speed the cup must have so as not to get wet or any spill is 4.32 m/s

6 0
2 years ago
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