Why is it more efficient to use a compact fluorescent bulb than a regular bulb?!

In a copper wire, a temperature increase is the result of which of the following

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.

Select the correct answer. wax is a nonpolar substance. in which type of substance is it most soluble?