3 years ago

One important function of the atmosphere is to provide the Earth and its people with the water needed for life.

1 answer:

exis [7]3 years ago

4 0

False because that’s not it’s function

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mafiozo [28]

The answer I would choose is the third one

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3 years ago

jolli1 [7]

Answer:

the answer is Compounds

Explanation:

Compounds are pure substances formed by the combination of elements; they can be decomposed by ordinary chemical means.

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3 years ago

bulgar [2K]

Scale and measuring tape.
To determine the mass and volume, you can find the density. The block will float if its density is less than that of water.

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3 years ago

GrogVix [38]

Answer : The mole fraction of NaCl in a mixture is, 0.360

Explanation : Given,

Moles of $NaCl$ = 7.21 mole

Moles of $KCl$ = 9.37 mole

Moles of $LiCl$ = 3.42 mole

Now we have to calculate the mole fraction of $NaCl$ .

$\text{Mole fraction of }NaCl=\frac{\text{Moles of }NaCl}{\text{Moles of }NaCl+\text{Moles of }KCl+\text{Moles of }LiCl}$

Now put all the given values in this formula, we get:

$\text{Mole fraction of }NaCl=\frac{7.21}{7.21+9.37+3.42}=0.360$

Therefore, the mole fraction of NaCl in a mixture is, 0.360

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3 years ago

LekaFEV [45]

Bc an MRI is just a scanner it's not and never will be meant for treatment

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3 years ago