The notion of interdependence is critical to understanding complexity. Two of the following statements are correct, and two are not. Please select the two correct statements:

a. In any system, action in one place has an effect in all other places.

b. Fluctuation of mutuality means authority does not move between people.

c. Trusting feeling is as important as valuing thinking.

d. Interacting properties in a system make outcomes fixed and finite.