4 years ago

How does the Sun contribute to physical weathering?

1 answer:

6 0

We know, minerals are non-uniformly distributed inside the soil, when Sunlight reaches it, rocks heat and expand at different rates depend on the nature of mineral, then it breaks

In short, Your Answer would be Option B

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A sheet of gold leaf has a thickness of 0.125 micrometer. A gold atom has a radius of 174pm. Approximately how many layers of at

Olegator [25]

Answer:

719

Explanation:

Conversion

1 picometer (pm) is equivalent to $1 × 10^{-12}$ meter

1 micrometer is equivalent to $1 × 10^{-6}$ meter

To find the number of layers, we divide the overal leaf thickness by the thickness of one atom hence dividing tex]0.125 × 10^{-6}[/tex] meter by $174 × 10^{-12}$ meter we get that the number of sheets will be as follows

$\frac {0.125× 10^{-6}}{174\times 10^{-12}}=718.3908045\approx 719$

Therefore, they are approximately 719 sheets

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3 years ago

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Answer:

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3 years ago

Draw a diagram showing 2 forces acting on an object in opposite directions with a total net force of 3N to the left.

andriy [413]

Answer:

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