Will vote brainliest What is the purpose of a topic sentence in informational text?

°There are no topic sentences in informational text.
°They announce the main ideas of paragraphs.
°They give you a place to start taking notes.
°They serve as closures to a section.

The topic sentence introduces the reader to what you will talk about.

B. They announce the main ideas of paragraphs

hope this helped :)

the anwser is went creeping down the river again, across the wide lonely marshes to the sea.

i longed to go with them out into the world to seek my fortune in foreign lands—africa, india, china and peru!

and, dreaming of the lands i had never seen, i'd sit on there, watching till they were out of sight.