A) X: 2s2 2p3
b) Y: 2s2 2p5
c) W: 3s2 3p1
d) Z: 3s2 3p4
e) Q: 4s2

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .

Compound with sulfer  is bright red 

That is a lot of moles that you have

The answer is false because: gravitational force is independent of medium and depends only on the masses of the two objects and the distance between them