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babunello [35]
3 years ago
8

Which of these statements about natural selection is true? (Select all that apply.)

Chemistry
1 answer:
ira [324]3 years ago
8 0

Answer:

The Answer is A.

Explanation:

Dont judge me if I'm wrong. I'm new to Brainly.

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12) Which statement is not a component of the particle kinetic molecular theory of matter? A) Atoms of different elements are id
agasfer [191]

Answer:

c i got it right on usatestprep

Explanation:

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6 0
2 years ago
The test tube that contained the calcium metal was probably the most difficult of the test tubes to clean. Why was aqueous HCl u
natita [175]

Answer:

The HCl will dissolve the calcium readily

Explanation:

HCl will react with d calcium, dissolving it to produce Hydrogen gas

6 0
3 years ago
A vessel contained N2, Ar, He, and Ne. The total pressure in the vessel was 1100 torr. The partial pressures of nitrogen, argon,
geniusboy [140]

Answer:

Partial pressure Ne = 340 Torr

Option B

Explanation:

Gases contained in the vessel:

N₂, Ar, He, Ne

One of Dalton's law for gases determine this:

In a mixture of gases contained in a vessel, total pressure of the system must be the sum of partial pressure of each gas.

Total pressure = 1100 Torr

Let's replace:

Partial pressure N₂ + Partial pressure Ar + Partial pressure He + Partial pressure Ne  =  1100 Torr

Partial pressure Ne = 1100 Torr - Partial pressure N₂ - Partial pressure Ar  -Partial pressure He

Partial pressure Ne = 1100 Torr - 110 Torr - 250 Torr - 400 Torr

Partial pressure Ne = 340 Torr

8 0
3 years ago
E.T. comes to visit you and brings along some alien crystals. How could you identify the elements in these crystals?
deff fn [24]
You can tell that a crystal is a crystal if it creates a rainbow prism effect. Or you can tell by tapping the crystal. If he crystal makes a musical ring noise (like how a glass cup would sound) it’s a crystal.
3 0
3 years ago
In your own words describe the difference between the movement of particles in liquids and the movement of particles in gases.
xxMikexx [17]
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4 0
3 years ago
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