In which direction does the sun appear to move across the sky? from west to east from east to west from north to south from south to north

In the southern hemisphere, the Sun (as well as the Moon and the stars) still rises in the East and sets in the West. This is because the "movement" of the Sun in the sky is caused by the Earth's rotation, and the northern and southern hemispheres are obviously rotating in the same direction ,,, so from east to west

Yes on edge the answer is B) from east to west.

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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