Researchers estimated that stress plays an important role in _______ percent of all physical illnesses.
A. 30% to 40%
B. 40% to 50%
C. 50% to 80%
D. 50% to 70%
Answer:D
Researchers estimated that stress plays an important role in _______ percent of all physical illnesses.
A. 30% to 40% B. 40% to 50% C. 50% to 80% D. 50% to 70%