Help due today! No random answered I’ll report you!, answer in full sentences!:)

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.

Explain how to convert from one unit to another in the metric system.

If a computer chip switches off -on-off in 0.015 us, what is the switching time in nanoseconds?