How much electricity does it take to charge a tesla?

Haley rubs a cotton cloth along a plastic strip. the plastic strip becomes positively charged. why did this happen? a. the plastic strip gained protons from the cotton. b. the plastic strip lost protons to the cotton. c. the plastic strip gained electrons from the cotton. d. the plastic strip lost electrons to the cotton.

What produces a record of seismic waves? richter scale seismogram barometer seismograph

Can anybody me with this? ? (picture included.)