The earth's crust is: made of rock
the thinnest layer
broken into large pieces called plates
all of the above

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

What is the main reason why some developing countries fear the increase the free trade policies around the world?

Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.