Which of the following can a disability affect? A. mental ability
B. physical activity
C. participation in normal activities
D. all of the above

D

Explanation:

Disabilities in the brain can affect mental ability so they can think like everyone else, can affect physical activity to where they can't move certain body parts such as legs and arms like everyone else can, and can affect participation in normal activities to where they probably don't understand how to do the normal activities that everyone else can do such as brushing their teeth or eating properly.

when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?