Imagine that you were alive in the year 1920. What are some things that you know about 1920? What are some things that you might see, hear, smell, or taste if you were walking down the street in 1920? What was going on in the world?

The economic boom and the Jazz Age were over, and America began the period called the Great Depression. The 1920s represented an era of change and growth. The decade was one of learning and exploration. America had become a world power and was no longer considered just another former British colony.

Explanation:

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation: