*Question*: Which best explains the importance of nitrogen in the cycling of energy and matter?
*Answer*: Nitrogen increases protein production in plants.

*Question*: A manufacturing industry has asked to relocate its plant to your town. From an environmental perspective, which question is least important to ask before deciding whether the industry may move to your town?
*Answer*: What are the uses of the products that the plant will manufacture?

*Question*: Which of the following is found farthest from the center of an atom?
*Answer*:
electron