How will you remove impurities from a sample of pulses or rice

To separate husk or dirt particles from a given sample of pulses before cooking, we need to wash the pulses with water.

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.

The higher you go up the less oxygen there is