Limestone is a sedimentary rock and marble is a metamorphic rock.
D. I spent three days drying the rice
“So you see!” -dhar man
It is a quote made when slavery was there is the United States, when most of the people tried to discriminate people on the basis of their race.
If you're asking in Grammatical aspect, then there is nothing complex in this sentence, just means, that if you are black that it's a bad thing [ just by this quote ]
Hope this helps!