it would be very unhandy.
The plant would go extinct.
the world would not be different
Who knows what would happen?
Life would end as chlorine is necessary for several biological processes.
forgetful
yes
the disadvanteges of using silver is silver would not stay around longer but using the currency metals used in quarters will last longer
A deep trench to the mantle
That it existed.
If nothing existed, the world would be empty and void of any matter, energy, or life. There would be no physical objects, no living beings, and no concepts or ideas. It would be a state of complete nothingness, with no form or structure.
IF such a coin existed it would be worth hundreds of thousands of dollars, but all nickels except the famous WWII "war nickels" are made of cupronickel, not silver.
If it existed it would be a fabulous rarity, but all 1965-1970 halves were made of only 40% silver. The rest is copper.