Author Question: Which of the following best describes natural laws? A) They are assumed by scientists to operate ... (Read 38 times)

CharlieWard · **on:** Jul 16, 2018

Which of the following best describes natural laws?

A) They are assumed by scientists to operate in the same way throughout the universe.
B) They have gradually and spontaneously changed over long periods of time.
C) They have been changed several times as the result of experimental data.
D) They apply to matter but not to energy.

Question 2

The levels of mercury are low in the fish eaten almost daily by people living near an ocean. For these people, bioaccumulation means that

A) people eliminate most of the mercury they consume after a single day.
B) mercury builds up in the fish and not the people.
C) mercury has been accumulating in their bodies for many years.
D) mercury and other heavy metals accumulate in the bottom of the ocean and not in the fish they eat.