The unit used to measure the volume of a solid is cubic centimeters.
The first statement is true because s<span>peed, being a scalar quantity, is the rate at which an object covers distance. The average speed is the distance (a scalar quantity) per time ratio. Speed has nothing to do with direction. On the other hand, velocity is a vector quantity because direction is needed for this. </span>
Conductors are required to transmit electricity to various parts of the home. These take the form of the copper in the wires. Insulators separate various electrical conduits from each other and external bodies, as well as protecting the conductors from the elements. These take the form of the plastic sheathing over the wires.
D. all of the above, although I do find it hard to believe something like flour would have a melting point, I looked up my answer to double check.
