How many photons are produced in a laser pulse of 0.111 J at 429 nm?

tracks, burrows, eggshells, nests, tooth marks, or gastroliths

i'm pretty sure it is letter c.) car

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 c. nacl