Sarah wants to make a pamphlet to inform her class about limestone caves which two strategies can she use to make sure her pamphlet is informative. (A) includes several jokes. (B) share her opinion on the topic.(c) tell her audience how they should feel.

The two strategies Sarah can use to make sure her pamphlet is informative are:

1. Including factual information and details about limestone caves such as their formation, characteristics, importance, and various types of limestone formations found within them. This will provide the reader with a clear understanding of what limestone caves are and how they are formed.

2. Using visuals such as diagrams, photographs, and illustrations to further enhance the reader's understanding of limestone caves. Visual aids can help convey complex information in a more easily digestible format and can make the pamphlet more engaging for the reader.