Describe how sound waves are affected by each medium (solid liquid and gas) through which the sound wave passes.

Can someone me with 1 to 4 plz. fast

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

What can be found in the ionosphere