Heat that flows by conduction is the transfer of thermal energy between substances in contact. for this to happen, what must occur?
a. the two systems must be the same temperature.
b. the two systems must not be touching each another.
c. one system must have higher kinetic energy than the other system.
d. the thermal energy of one system must be the same as the thermal energy of the other system.

narendra modi is currently the pm of india

explanation:

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !