The atoms of some elements can be made radioactive by

1)placing them in a magnetic field
2)bombarding them with high-energy
particles
3)separating them into their isotopes
4)heating them to a high temperature

What effect might melting sea ice have for people who live in coastal areas?

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Which rate indicates the number of children that would be born per woman if she were to live to the end of her child bearing years