How do you use the tag

An attribute on a webpage allows you to set borders and change background colors. true or false

An atom's diameter is about 0.1 nanometer (1×10-9m), and a human hair is about 1×10-3m. how many times greater is a human hair than an atom's diameter? sorry pushed wronf button but this is math

The more powerful, 60 volt cables and the main power shut off on an hev are both colored orange