1. Substance Az is blue in color and reacts with substance B2, which is yellow in color. They form a new substance AB, as shown in the chemical equation below.
A2 + B2 → 2AB
What is the color of AB?
a. Yellow
b. Blue
c. Green
d. Not possible to predict with the information given

Which metal is less dense

U whay do you need with?

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 answer is c. risk