You have a rectangular block of an unknown wood. It's dimensions are 20 cm by 40 cm by 10 cm. It's mass is 6000 g. Will it sink or float? Explain why.

I’m guessing you’re more alert to yourself or your surroundings if you’re more concentrated

The dispersed phase is liquid and dispersed medium in milk is liquid

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 .