Worth 99 points

what are the negative effects of deforestation on the environment? check all that apply.

air pollution
desertification
water pollution
urbanization
climate change

Iwould you figure it out but you don't have a picture or in your question as to what the physical property you're looking for is

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 .