The silk road was A:a single long road between Rome and Beijing

B:a set of trade routes between china and Europe.

C:a path connecting different silk producers in china

D:a road paved with a substance made from silk

Sariah enters a room with several chirping crickets in it. upon first entering the room, sariah can hear the chirping; however, as she begins to talk to her friends, she is no longer aware of the chirping even though it is still there. the fact that sariah no longer perceives the chirping sound demonstrates sensory

Name that largest artificial lake built in the 11th century

Why is it necessary to obey social norms? write briefly.