When white, crystalline sugar is heated, it decomposes into a colorless liquid and a black solid. this evidence suggests that sugar is o a miture. o an element o not very deense a compound dell o

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 .

Idk the answer imthink snail cant mate they dont lol

Green is technically every other color but green but the other wavelengths of the other colors get absorbed by the object and the wavelength of the color green gets reflected