The London-Smog occurs mostly in winter and is a mix of gaseous and solid aerosoles as well as natural fog. The Los-Angeles smog is dry, and formed mostly during sunny and hot weather conditions.
The Emancipation Proclamation only freed the slaves in the Confederate states, therefore encouraging them to rise up.
Answer:
I think it's C
Explanation:
Economic choice... It WOULD be that if you were talking about money.
Opportunity Cost... the loss of potential gain from other alternatives when one alternative is chosen. So it can not be that.
Scarcity... This one means that there is too little of something. So I used context clues to find that out.
Specialization... Oh, who cares anymore I answered the question!
Hope I helped! ☺
