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3 years ago

Which statement about atmospheric pressure near Earth’s surface is true?

2 answers:

6 0

I think the correct answer from the choices listed above is option B. The statement that is true about the atmospheric pressure near Earth’s surface would be that it decreases as you move away from Earth’s surface. Pressure decreases with increasing altitude. Hope this answers the question.

Dominik [7]3 years ago

6 0

Answer : Option B) It decreases as someone moves away from earth's surface.

Explanation : The atmospheric pressure at the surface of the earth is at maximum, it is seen that as we move away from the surface of the earth the pressure decreases. As on the top of mountains the atmospheric pressure is found to be low as compared to the surface of the earth.

It is assumed that the atmospheric pressure is caused due to hydrostatic measurements where the changes caused by weight of air are measured.

Also, it is observed that when there is an elevation, the atmospheric pressure decreases.

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The Chandrasekhar limit states that the final mass of a _____ star can be no greater than 1.4 solar masses.

Marrrta [24]

Stable white dwarf star

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3 years ago

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What is the pH of a 0.1M basic solution? A. 7 B. 0 C. 1 D. 13

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C is the correct answer

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3 years ago

a. A solution of potassium dichromate is reduced to chromium(III) ions by zinc metal in the presence of an acid causing the solu

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Explanation:

It is known that molecular formula of potassium dichromate is $K_{2}Cr_{2}O_{7}$ . As potassium has an oxidation state of +1 and an oxygen atom has an oxidation state of -2.

Let the oxidation state of chromium is x. Therefore, calculate the oxidation state of chromium as follows.

$K_{2}Cr_{2}O_{7}$ = 0 (as the molecule is neutral)

$(2 \times 1) + 2x + (-2 \times 7)$ = 0

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Thus, we can conclude that the oxidation state of the chromium in the potassium dichromate molecule is +6.

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3 years ago

4. In pea plants, purple flower color (P) is a dominant allele, while white flower color (p) is recessive allele. If a pea plant

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3 years ago

Choose all the answers that apply.

IrinaVladis [17]

The answer is:

Sedimentary rock, metamorphic rock, and igneous rock.

If you'd like to know why:

Any type of rock can be a metamorphic rock. Metamorphic rocks are formed when a rock (any kind of rock) undergoes immense heat and pressure. If melting does not occur, it will become a metamorphic rock. If it melts, it becomes magma and from there, the magma, could eventually become an igneous rock and the rock cycle will start again.

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