Rachel hears that there is a southerly wind today. In which direction does this wind blow A. East B. South C. North D. West

A south wind blows from the south to the north. therefore, the answer is b:south.

Is there a diagram/picture you can provide? it seems this question goes along with a

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.