3 years ago

What protects living things from too much ultraviolets radiation?

1 answer:

8 0

The ozone layer of the Earth's atmosphere is what protects living things from too much ultraviolet radiation, if that's what you're asking about.

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i have an unknown volume of gas at a pressure of 0.50 atm a temperature of 325 k. If i raise the pressure to 1.2 atm, decrease t

Ronch [10]

Assuming that the number of mols are constant for both conditions:
$\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}$
Now you plug in the given values. V_1 is the unknown.
$\frac{0.50 atm*V_1}{325K} = \frac{1.2 atm* 48 L}{230K}
$
Separate V_1
$V_1= \frac{1.2 atm* 48 L * 325K }{230K*0.50 atm }$
V= 162.782608696 L

There are 2 sig figs

V= 160 L

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3 years ago

The Earth's winds are caused by uneven heating of the atmosphere by solar radiation. The uneven heating causes air masses to hav

ozzi

Warmer, less dense air masses rise in the atmosphere; colder, denser air masses sink in the atmosphere.

hopes this helps chu

3 0

4 years ago

Read 2 more answers

Describe what a mole is -- its value, its uses, the general concept.

Anna [14]

A mole is the assemblage of 6.022×10^23 ions.This number is also known as Avogadro Number.

Avogadro constant=6.022×10^23 mol^-1