Explanation:
Topical studies allow you to unearth what is said about that particular thing through all of Scripture–all 66 books, Old and New Testament.
Identify your topic. ...
Pray. ...
Look up your topic. ...
Read the passages and observ
The answer is: "Yadira was babysitting her little sister when she felt the earthquake." This sentence means: While an action was in progress in the past (Yadira was baysitting her little sister), another action occured (the earthquake took place).
An example: The Filipino soldiers used guerila warfare to fight their opponents.