Some people in an office building are experiencing nausea and vomiting. Which of these strategies would not help reduce the pollutants that may be responsible for these symptoms?

A)

providing smoking workers with an area where they can smoke

B)

cleaning the ventilation system of the building

C)

cleaning areas in the building that may have biological irritants

D)

changing the insulation material used in the building

E)

finding sources of heavy-metals pollution and developing a plan to decrease their effect

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.