Antibiotics are substances used to fight an
infection of streptococcus, a bacterium that
causes strep throat. overuse of these antibiotics
can
(1) prevent future infections by these pathogens
(2) cause a decrease in the production of
enzymes
(3) allow organic molecules to be synthesized
(4) select for resistant organisms

Which statement best describes the nature of science? a. science discoveries using the latest technology are the most valuable. b. scientific theories and laws are based on beliefs and popular opinion. c. scientific ideas change over time as new information is discovered. d. science is superior to other fields such as art, philosophy, and music. i think its c

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?