Chapter test
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which of the following is a large contributor of gases that create acid rain?
oa) ozone layer
ob) burning fossil fuels
oc) cloud-seeding by airplanes

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

Consider the skeleton. which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin