Heat will flow from warm to cold
a. until both objects reach the same temperature.
b. until no particles move.
c. until all objects are hot.

until both objects reach the same temperature.

When you take two things of different temperature in contact with each other, energy will always be transferred from the hotter object to the cooler object. The objects will transfer thermal energy until the thermal balance is reached, i.e.the temperature of both of the bodies become equal

download the app called socratic on your phone

what's the rest of the question