Multiple choice questions please help Janzen restored the pa

Multiple choice questions: please help.

Janzen restored the pasturelands in Costa Rica to native tropical dry forest by:

increasing hunting.

conducting controlled burns.

planting trees.

completely removing cattle ranches.

A). By completely removing cattle ranches .This will result in greater grass production (more number of dry matter).

B) several reserves far apart are superior to same number of resrves close together.