Read the information about the three atoms given in the table. which of them are isotopes of each other?
a) x any y
b) x and z
c) y and z
d) x, y, and z
e) there are no isotopes among these atoms

false

because it does not have the potential to be entirely used up

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.