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3 years ago

14

"Tropo" is a Greek prefix meaning to change or to turn. Why is troposphere an appropriate name for the layer of atmosphere close

st to earth

1 answer:

tia_tia [17]3 years ago

4 0

Answer:

The troposphere is the layer in which weather occurs, meaning conditions are constantly changing.

Explanation:

i looked it upl

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Consider two liquids, labeled A and B, that are both pure substances. Liquid A has

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E is the correct answer

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3 years ago

Calculate the amounts requested if 3.30 mol Fe2O3 completely react according to the following equation. Fe2O3 + 2Al --> 2Fe +

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What is the pH of a solution with a concentration of 5.2 x 10-8

BartSMP [9]

Answer:

7.28

Explanation:

-log(5.2x10^-8) = 7.28

- Hope that helped! Please let me know if you need further explanation.

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Write the chemical equation for the following reaction The elements sodium and chlorine combine to yield the compound sodium chl

Shkiper50 [21]

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3 years ago

An AM station broadcasts at 1290 kHz. <br> Calculate the wavelength of this radio frequency.

Dahasolnce [82]

Answer:

$Wavelength=232.56\ m$

Explanation:

The relation between frequency and wavelength is shown below as:

$c=frequency\times Wavelength$

c is the speed of light having value $3\times 10^8\ m/s$

Given, Frequency = 1290 kHz = $1290\times 10^{3}\ Hz$ (As 1 kHz = 1000 Hz )

Thus, Wavelength is:

$Wavelength=\frac{c}{Frequency}$

$Wavelength=\frac{3\times 10^8}{1290\times 10^{3}}\ m$

$Wavelength=232.56\ m$

4 0

3 years ago