Identify the Greek root meaning of the underlined word in the sentence below:

Many people thought they had pneumonia rather than the influenza virus in 1918.
a.
blood
c.
air, lung
b.
virus
d.
breathe

a, overstatement is the answer

1. active

2. passive

3. passive

4. active

the direction of the magnetic field produced by an electric current will change when the direction of the electric current changes. for example : if a current is flowing in a straight length of wire, the magnetic field is described by a concentric circle (using right-hand rule).