1. F. Compound Subject
A compound subject has two or more simple subjects that have the same predicate
The subjects are joined by and, or, or nor
Example:
Rangers and loggers study forest conditions.
A ranger or one of his assistants is always on watch in the observation tower.

2. G. Compound Predicate
A compound predicate has two or more simple predicates, or verbs, that have the same subject
The simple predicates are connected by and, but, or, or nor.
Example:
Rangers explore and protect the forest.
Tourists can walk or bike the trails.