Answer:When you’re working in difficult lighting conditions say a contrasty midday scene a backlighting situation or a scene that’s very dark or very light it can be difficult to determine the correct exposure.
Explanation:
The Parting of Lot and Abraham is about their literal parting - Abraham took his family to Canaan, as God wanted him to, whereas Lot went to Sodom, and defied God's wishes. Now, having this in mind, maybe this mosaic does symbolize B. heaven, as Abraham and his family would go to heaven eventually, because they obeyed God's orders and wishes.
The answer is actually, An art connoisseur, just did it on Apex.
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I Hope this Helps!