Which method is used to determine the amount of tolerable fossil fuel pollution?

risk analysis
cost-benefit
analysis risk assay
environmental impact statements

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Transmission electron microscope are best for viewing a) microorganisms in pond water b) internal organs of a mouse c)internal structures of a cell d) surface features of a specimen

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.