A Electric eels are potentially dangerous. B Biology and electricity appear to be closely related. C People would be at a loss without electricity. D Scientists still have much to discover about electricity.

A refrigerated food item may go bad B traffic lights do not work C people must rely on candlelight D elevators and escalators do not function

A To warn the reader to stay away from them. B  To compare their voltage to that used in houses. C  To give an example of a living electrical generator. D To describe a new source of electrical power.

A 800. B 600. C 200. D 120.

A more beneficial it will be to science B  more powerful its electrical charge will be C  easier it will be to find D tougher it will be to eat

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E

A A B B C C D D E E