Which of these travels the fastest through a medium? a atom
b photon
c sound
d electron

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble