Nuclear fission:

a produces less waste than fusion
b creates more air pollution than burning fossil fuels
c often causes thermal pollution of water sources
d all of the above

The answer is A because it cant pollute the atmosphere because its vapor from water that is being thrown out and it is reusable / the chemical reaction last longer

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 .

What are the statements?