Which statements describe the wave? check all that apply.

the wave is a mechanical wave.
the wave is an electromagnetic wave.
the wave moves energy through matter.
the wave moves energy through space without matter.
the wave transfers energy parallel to the motion of the wave.
the wave transfers energy perpendicular to the motion of the wave.

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

If two objects at different te,peraure are in contact with each other what happens to their temperature

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?