An important characteristics of a wave is that the travel through the substance although the travel through the substance.

a. wave does not; energy of the wave does
b. energy of the wave does not; wave does
c. wave does not; particles in the substance do
d. particles in the substance do not; wave does

Which is not true of the intertropical convergence zone? a) it features heavy precipitation b) it's where the trade winds collidec) it's a high-pressure zone with sinking air d) it is also known as the doldrums

Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton

Why is a noble gas different from other elements?