Read the text about Wilbur and Orville Wright. Wilbur and Orville Wright came from a family who valued education. Their father was a minister and had plenty of books in the family library for the boys to read. When Wilbur was eleven and Orville seven, their father bought them a toy helicopter that sparked their interest in flight. As adults, the brothers ran a printing press business and a bicycle business, then they became interested in flight again. They went to Kitty Hawk, North Carolina, which had excellent wind conditions and long, smooth hills. The brothers experimented with kites, gliders, and eventually their airplane. It flew on Dec. 17, 1903.

Which words indicate that this text is presented as a biography rather than as a memoir?

A.
airplane, it
B.
their, they
C.
boys, family
D.
father, minister

B. Their, they. If it is a memoir, they would use "I" or "we"

Explanation:

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many were disgusted, nauseated and shook their heads with disapproval upon finding out about the recycling of water process. however, they do not seem to understand that this process actually saves water.

although individuals may argue that it is unhealthy, and or unsafe to drink water that is "from toilet to tap" , the water is 100% safe to drink and involves forcing the water across a membrane, which "removes   any impurities, including viruses, pharmaceuticals and dissolved minerals" , according to paul rozin, a psychology professor who studies revulsion.

i agree that that the thought of drinking water that once ran through someones kitchen sink isn't quite appealing, but recycled wastewater is safe to drink. it also saves water. "the city produces nine million gallons a day" claims russell schreiber, the city’s director of public works.

recycled waste water has absolutely no health concerns whatsoever. when wastewater goes into a system, it's absorbed back into the ground. thus, it goes into a sewer system, then goes through a treatment process that removes contaminants before being released. nonetheless, there is no problem in drinking water that has been recycled.

"in drought-ed california, there are six state agencies that use wastewater that comes from an intellectual property source," according to the university of california, riverside. studies show that this water is completely safe to drink, however, it still doesn't mean people are going to happily pour it in a water glass.

researchers hope it "may make consumers more amenable to drinking recycled wastewater," extraordinarily, women who have a higher "disgust reaction" and make most consumer purchasing decisions.

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