A(n) is a compound that turns litmus blue and is often found in soaps and detergents.
a.
acid
b.
base

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 correct answer would be d. hope this !