These two scientists were credited for discovering microorganisms. robert sheele and pierre bayen anton van leeuwenhoek and robert hooke hippocrates and syrus john jansen and theodore laennec

Antoni Van Leeuwenhoek and Robert Hooke

Explanation:

Antonie van Leeuwenhoek and Robert Hooke have made significant contributions to the development of biology using optical microscopes. Leeuwenhoek used single-lens microscopes, while Hooke used two-lens microscopes. These devices allowed these two scientists to discover the microorganisms and initiate the microbiology that is a very important science today.

                                                        water

a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

                                                        halon  

any of a number of unreactive gaseous compounds of carbon with bromine and other halogens, used in fire extinguishers, but now known to damage the ozone layer.

                                                  dry chemical

extinguishing agent used on class a, class b, and class c fires.

                                                  carbon dioxide

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. it is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.