What is the change in speed of the P wave as it goes from the mesosphere to the outer
core? From the outer core to the inner core?

these nuts

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? ?

what is the question here. i think you messed up.

here are some of the ways in which chemical and nuclear reactions differ.

explanation: