World Geography
The hazards of radiation belts include

All of these
damage of solar cells of spacecraft
deterioration of electronic circuits
adverse effect on living organisms

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World Geography
The Harmattan is

All of these
wind that blows during the dry season from December to February
cool, extremely dry wind that forms over the Sahara and blows westward or south-westward to the Af
tertiary wind that carry great quantities of fine dust from the Sahara

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