Which of the following contains most of the water on earth?
a)the oceans
b)watersheds
c)the atmosphere
d)ice and aquifers

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

Which property of water causes water drops to bead on a freshly waxed car?