Which best exemplifies the use of social media to save lives in a fast moving disaster event? a : posting pictures of property damage to flickr after a tornado b: updating a blog with the locations of application center for disaster assistance loans c: tweeting warnings of road closures and hazardous conditions during a snow storm d: using youtube to post videos from the county executive at a ceremony honoring disaster survivors .

Using social media in disaster event can be very beneficial, but in order to be it must be properly used. From the given options, tweeting warnings of road closures and hazardous conditions during a snow storm best exemplifies the use of social media to save lives in a fast moving disaster event.
This situation may save lives because it will prevent people to use certain dangerous roads. 

A) quantity supplied will decrease, the equilibrium price will increase, eventually the quantity demanded will decrease - due to the decrease in the milk production

B) quantity demanded will increase, the equilibrium price will increase, eventually the quantity supplied will increase - due to positive benefits of chocolate

C) quantity demanded will decrease, the equilibrium price will decrease, eventually the quantity supplied will decrease - due to the lower price of a substitute product

D) the equilibrium price will decrease, eventually the quantity supplied and demanded will increase - due to the lower manufacturing price