What is the wavelenght of a 1-kilohertz(khz) sound traveling in water

What is the part of the cell cycle process by which chromosomes in a cell nucleus or separated into two identical sets of chromosomes each in its own nucleus

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

How can you tell the difference between rough er from smooth er?