Red blood cells:

a. carry respiratory gases, mainly oxygen and carbon dioxide.
b. fight disease and foreign invaders.
c. aid in blood clotting.
d. are involved in repairing damaged blood cells.


a

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The presence of trace elements is useful because they provide markers that may establish the source of a material

a. True b. False

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In a fire investigation, the place where a fire starts is referred to as the ____________.

-combustion point -ignition point -point of origin -origin of combustion

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a. True b. False

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One of the primary areas for applying biosocial crime theory today is in crime prevention

a. True b. False

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