How have fossils, the fossil record, and radiometric dating worked with one another to provide us with more information
about our planet and the organisms within it?

Iwould google this

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 .

Increase temperature

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