Ablock measure 10 cm by 10 cm by 5 cm , what is it’s volume

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

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?

What can change the speed of sound as it travels through the ocean? a. salinity only b. density and salinity c. salinity and distance from land d. density and distance from land