Evaluate two hazards by explaining which hazard presents the greatest threat to agricultural workers as well as which hazard is the most easily preventable. For each hazard discussed, be sure to give reasons why it is the greatest threat or why it is easily preventable.

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 record? the question is incomplete