Why is it important to check with your teacher or librarian before using a new internet encyclopedia?

a.

some online reference sites charge a subscription fee

c.

all online reference sites charge a fee to use them

b.

all online references are not safe or credible

d.

none of these

Two students are discussing the flow of electricity. student a says that voltage is a measure of the amount of electron flow in a circuit. student b says that power is the product of voltage and current. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct