The rough endoplasmic reticulum has a rough appearance because:

It has a rough appearance because the surface is covered with ribosomes that produce protein. I hope this helps :)

It's speed of rotation.

Well, both latitude and intensity of light affect temperature because, the higher the light intensity, the higher the temperature and since latitude is the measure of how close you are to the equator, then the closer to the equator you are, the higher the temperature is.