What technique of Leonardo da Vinci’s is demonstrated in the fresco seen above? a. sfumato b. chiaroscuro c. linear perspective d. tenebrism

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

the constitution gives congress the power to regulate commerce "among" the several states.

wheres the poem i cant need more info