Define out-group homogeneity and out-group derogation. What questions would you ask to determine whether or not these are taking place? Then define the contact hypothesis. What questions would you ask to determine whether the contact hypothesis would apply? How would you, as a consultant, recommend establishing more trust between groups?

Yes, this is very true. specifically causing damage in the  dentrite. 

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!