A speech you're likely to read next year is "A Speech to the Virginia Convention" by Patrick Henry. Using the internet to research, explain where and to whom he gave that speech, and what his purpose was. *

Ithink the answer is c. make unnecessarily  wide gestures 

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other