If it's just a random thesis:
Topic: Dog Fights
Thesis: Dog fights should be illegal, since they are a cruel way to abuse dogs for profit.
Opposing Thesis: Dog fights are entartaining, and should be continued.
EXPLAINS, IS
The tour guide EXPLAINS that either candles or a lantern IS used to see into the tomb.
Tour guide is singular. Therefore, verb used must be in singular form.
Lantern is singular and it is the nearest subject of the verb. Thus, the verb must also be in singular form.
The correct answer is "by showing Iqbal telling the factory owner he is leaving". In the mid-1990s, a bright young youth made a global impact on child slavery. Iqbal became one of the many child bonded laborers at the carpet factory. Despite working 14 hour days six days a week, Iqbal never earned enough money to pay off the debt, the cost of his “apprenticeship”, his tools, his food, fines for his mistakes or the rising interest.
Here is a link to some good "apps" or "games" for fifth graders. They are fun and educational! https://www.education.com/slideshow/5th-grade-apps/