Sensitization is a result of direct contact with the abrasive material, localized, and related to the concentration of the substance applied.
(a) true
(b) false

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Yvette hangs a 2.4kg bird feeder in the middle of a rope tied between two trees. the feeder creates a tension of 480 n in each side of the the rope.

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.