Ashes left from a wood fire don't have the same mass as the wood that burned(Agee or disagree)

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Which best term to describe a chemical reaction that absorbs energy from its surroundings? a.thermal conductor b.thermal insulator c.endothermic d.exothermic