Heat always flows from
a. warmer objects to cooler objects.
b. cooler objects to warmer objects.
c. in a clockwise direction.

warmer objects to cooler objects

When you take two things of different temperature commonly, energy will always be transferred from the hotter to the cooler object. The objects will transfer thermal energy, until the thermal balance is reached, i.e. until their temperatures are even. We state that heat flows from the warmer to the cooler object.

yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.

the answer is d p: cell, q: organ, r: organ system, s: tissue