QUESTION 30 When sea ice forms in high latitudes, the sea ice has ________. high

Question

QUESTION 30

When sea ice forms in high latitudes, the sea ice has ________.

higher salinity than the ocean waters it forms from

the same salinity as the ocean waters it forms from

lower salinity than the ocean waters it forms from

It depends on the temperature. If conditions are far below freezing, the salinity is the same as the adjacent seawater; if it is close to freezing, the ice is essentially fresh water

1.54 points   

QUESTION 31

Carbon dioxide is an important influence on climate because ________.

it absorbs incoming short wavelength solar radiation, but it passes some longer wavelength outgoing earth radiation

it passes incoming long wavelength solar radiation, but it absorbs short wavelength outgoing earth radiation

it absorbs incoming long wavelength solar radiation, but it passes short wavelength outgoing earth radiation

it passes incoming short wavelength solar radiation, but it absorbs some longer wavelength outgoing earth radiation

None of the above is correct.

hello!
can someone please help me with these 2 questions?

higher salinity than the ocean waters it forms from

the same salinity as the ocean waters it forms from

lower salinity than the ocean waters it forms from

It depends on the temperature. If conditions are far below freezing, the salinity is the same as the adjacent seawater; if it is close to freezing, the ice is essentially fresh water

Explanation / Answer

1. (c) lower salinity than the ocean waters it forms from.

2.(b) it passes incoming long wavelength solar radiation, but it absorbs short wavelength outgoing earth radiation

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