Answer:
the "they" being referred to is the scientists
Explanation:
Glucose, which is a monosaccharide, is a carbohydrate produced through the photosynthesis process in plant leaves that contain the chloroplasts. The glucosethat plants do not use immediately is converted into larger molecules of glucoseand stored as starch for later use as an energy source. This is the main function of glucose in plants .
One of the primary benefits of a survey is that they:
- <u>B. allow efficient gathering of unobservable phenomena</u>
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A survey is a system of qualitative research which is used to gather opinions of people about a particular subject or issue.
As a result of this, one of the primary benefits of a survey is to gather information about unobserved phenomena with the use of questionnaires and other means.
Therefore, the correct answer is option B
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