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levied on countries with which South Africa does not have trade agreements.
(also called average) the sum of a set of quantities divided by the number of quantities in the...
a statistical average; the sum of all the values divided by the number of values.
a term used to describe the three ways of finding a statistical average value in a data set,...
a term used to describe the various ways of finding out how spread out the values in a data set...
(also called physical digestion) the breaking down of food into smaller pieces using mechanical...
Mechanical energy is the sum of the kinetic energy and potential energy of a body.
weathering of rock as a result of physical processes, such as extreme temperatures and animal...
a median of a triangle is a line drawn from a vertex to the middle of the opposite side.