Which does a reference point provide? a position from which to measure future distance a set of standard units for measuring displacement a standard method for evaluating variables a method for determining the speed of an object

part 1: which substance has a higher solubility?

a

smallest amount left undissolved atall temps in table shown most has dissolved high sol'by

k2s for potassium sulphide

answer a fan shaped mass of sediment deposited at the base of a mountain front do to an abrupt change in stream gradient;