What negative impact did chemistry have on society through the production and use of chlorofluorocarbons (c hazardous coolants in refrigeration units were replaced. o better refrigeration reduced loss of food through spoilage. lower levels of ozone allowed more ultraviolet radiation to reach earth. o fire safety improved through the use of fire extinguishers.

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

How does a noncompetitive inhibitor reduce an enzyme’s activity?