At room temperature ice will melt while a brass lamp will stay as a solid. this must mean that the melting point of water is brass's melting point.
a) lower than
b) higher than
c) the same as

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

Protons and neutrons are found within the nucleus of an atom

Aclarinetist, setting out for a performance, grabs his 3.350 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 24.65 n. find the case's vertical acceleration. indicate an upward acceleration as positive and a downward one as negative.