Why are electric wires covered in rubber or rubberized plastic?

A. Both of the choices.

B. To prevent the loss of electricity to the air.

C. To prevent shocks, if the wire is touched.

It's A.

Explanation:

Rubber is a insulator, and if wires are uncovered, they can lose electricity to the air.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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