PLEASE HELP ME Which statement below accurately compares resistance and resistivity?

A. Resistance does not depend on size, shape, or amount of a material, while resistivity does.
B. Resistivity does not depend on size, shape, or amount of a material, while resistance does.
C. Resistance and resistivity both depend on size, shape, or amount of a material.
D. Resistance and resistivity are two words for the same physical property of a material and are measured in ohms.

On a mild saturday morning while people are working inside, the furnace keeps the temperature inside the building at 23degreesc. at noon the furnace is turned off, and the people go home. the temperature outside is a constant 16degreesc for the rest of the afternoon. if the time constant for the building is 3 hr, when will the temperature inside the building reach 18degreesc? if some windows are left open and the time constant drops to 2 hr, when will the temperature inside reach 18degreesc?