Explain how the structures of atoms of oxygen-16, oxygen -17, oxygen-18 differ from each other and write the symbols which are used to represent them

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 .

The water cycle increase the water content in the earth atmosphere

Answer/// he concludes that the atom particles can be broken due to the paddle wheel being moved by particles coming out of the metal;