Is the sentence simple, compound, or complex?

everyone loves hal, whose smile is so friendly.

a. compound
b. simple
c. complex

answer: the prince warns the 2 families that if they get into another fight they will be put to death

1. c. zone of saturation, water table, zone of aeration

2. c. condensation

3. b.   conservation and condensation

4. c. groundwater dips below the water table in an artesian well

5. d. oceans

6. c. geyser

7. d. groundwater

8. b. 70%

9. d. transpiration

10. c.   desalination