A sample of hydrogen gas (Hz) has a volume of 8.56 Lat a temperature of 10.0 °C and a pressure of 1.5 atm. Calculate the moles and mass of Hz molecules present in the gas
sample.

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why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

wher is the rest of the question

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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