a paper chromatogram is made for a particular mixture. the colored bands that result from the chromatography run are so close to each other that they overlap, making the chromatogram difficult to interpret. what change or changes could be made to increase the separation between the colors?

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

it takes on an electronical energy