Your teacher has set up an investigation for class today. The following materials are on the science lab table. Piece of unglazed white porcelain
Iron pyrite
Hematite
Mica
Talc
Halite
Magnetite
Which property of minerals will you be testing for?
Cleavage
density
hardness
streak

About 8 gallons of fuel will be used. (8.08)

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 .

Idon’t know what the answer is i wish i could