Please help it’s a test due today

c) More force has to be used to lift the heavier sack.

Explanation:

Using more force to lift the heavy sack of rice makes you really tired. Thus it's harder to lift a 100 pound sack of rice than to lift a 5 pound bag of sugar.

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

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