Which characteristic of radioactive decay makes it hazardous? A. It causes an atom to change from one specific element to
another.
B. It causes an unstable isotope to change into a stable isotope.
C. It produces radiation that can kill living cells.
D. It changes a small amount of mass into energy.

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

How do living things obtain phosphorus