Read the body paragraph from an essay on sound effects in film.
stretch a piece of waxed paper until it’s taut. next, place it in front of the microphone. then, pour uncooked rice onto the paper. this results in a sizzling sound that can be used for cooking on a hot stove or frying bacon.
to provide a smooth transition at the beginning of the paragraph, what is the most effective sentence to add?

for example, it’s easy to create a sizzling sound.
as a result, try creating a sizzling sound.
therefore, you can make a sizzling sound.
in conclusion, you can generate a sizzling sound

For example, it’s easy to create a sizzling sound. is the awnser

For example, it’s easy to create a sizzling sound.

By using "for example," the author tells the reader that a case scenario which supports his claim will follow. That is the purpose of this passage. If the author were to use "as a result," then what follows would need to be a consequence of a claim. "Therefore" introduces a conclusion based on previous claims. Finally, "in conclusion" is used in order to introduce the concluding remarks of an essay.

greet them:

buenas noches.

that is considered night time which is when "good night" is used.