An open system is best characterized as a system in which:
a) energy can freely enter and leave, but matter cannot.
b) matter and energy can freely enter and leave.
c) matter can freely enter and leave, but energy cannot.
d) energy and matter cannot enter or leave.

B

Explanation:

A. Is wrong

This definition in this option does not fully define what an open system entails. It only gave a one sided definition of the phenomenon on ground

B is correct

In an open system, matter and energy should be free to leave

C is incorrect

This is clearly a one sided definition like A and should not be taken serious

D is incorrect

D is talking essentially about what a closed system is

the movement of aircraft through clouds can even cause lightning strikes. a single lightning event is a "flash", which is a complex, multi-stage explosively ejected.

explanation:

and the person below goggled it.

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