How does the concept of the social production of disease explain the persistence of black lung disease?

Directions: One underlined word or phrase has an error. Correct it. An understanding of court law is essential for an attorney preparing for a trial. For example, court cases may be dismissed due to a lack in evidence.

______ you ever wondered how Valentine’s Day started?

Are chemicals responsible ______ increased leukemia rates?

While the ship ______, the stern broke in two.

Many respondents did not provide ______ answer to question 4.

Directions: One underlined word or phrase has an error. Correct it. New York inventor Charles Fritts has created the first solar cell in 1883. Since then, other scientists have made many advances in solar technology.

Minor collisions between ships and icebergs ______ still common today.

Explorers ______ the wreckage of the Titanic in 1985.

Past Tense / Past Progressive