In this chapter we consider the rather surprising appearance of order on Earth.

Question

In this chapter we consider the rather surprising appearance of order on Earth. This seems to fly in the face of the idea of the inevitable increase in entropy. Why can a beautiful, incredibly orderly snowflake form as the result of absolutely random processes?

What is the physical process which, by facilitating the flow of energy, causes naturally cyclic processes like weather and the tectonic motion of continental drift?

A.radiation

B.conduction

C.convection

D.diffusion

E.osmosis

Can order spontaneously appear in a macroscopic closed system which has reached thermal equilibrium?

Ayes

B.no

Explanation / Answer

B. By giving up some of its energy and falling into a low entropy state, the snowflake allows that energy to spread out much more, increasing the overall entropy

C. convection

B no

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