The Fresh Kills Landfill in Staten Island, New York, is in the process of becoming the Fresh Kills Park. Gas left over from the landfill underneath will be siphoned off or burned for domestic energy use. Which statement best describes the environmental consequence of the sustainable use of landfill gas? I. Landfill gases release mercury when burned. II. Landfill gases create smelly odors for residents. III. Burning landfill gas causes air pollution. III only I and II II and III I, II, and III

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.