Alaser dazzles the audience in a rock concert by emitting red light with a wavelength of 701 nm . calculate the frequency of the light.

answer; i do believe the correct answer is (river); /// good luck

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? ?

the answer is 1 i believe