John is riding a ski lift to the top of wildcat mountain. he removes his gloves and rapidly rubs his hands together to warm them up. what happens when john rubs his hands?
a.)the skin on his hands rapidly conducts heat, similar to metal.
b.)he traps heat between his hands because skin is an insulator.
c.)the particles in his hands vibrate faster because of friction.
d.)thermal energy moves from his fingertips to his palms.
e.) he simulates a fever that'll raise his core body temperature

Answer : (c) is correct option.

Explanation :

When he removes his gloves and rapidly rubs his hands together, he feels warmth in his hands.

This is because when he rubs his hands together, friction causes between them and the particles in our hands vibrate faster.

So, the correct option is (c) i.e. the particles in his hands vibrate faster because of friction.

the answer would be a

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)