The interdimensional hypothesis (IDH or IH), is an idea advanced by Ufologists such as Jacques Vallée that says unidentified flying objects (UFOs) and related events involve visitations from other "realities" or "dimensions" that coexist separately alongside our own. It is an alternative to the extraterrestrial hypothesis (ETH).
The interdimensional hypothesis (IDH or IH), is an idea advanced by Ufologists such as Jacques Vallée that says unidentified flying objects (UFOs) and related events involve visitations from other "realities" or "dimensions" and it is a lame alternative to the extraterrestrial hypothesis. 
A: It's impossible to say

Louis Marx (August 11, 1896 – February 5, 1982) was an American toy maker and businessman whose company, Louis Marx and Company, was the largest toy company in the world in the 1950s. Described by many as an experienced businessman with the mind of child; Louis Marx’s ability to see into the minds of children around the world guided his toy creations and advertising efforts.
Louis Marx was not a live before the 1900s
A: No

Kim Hyang-gi (born August 9, 2000) is a South Korean actress. Kim began her career as a child actress, and has starred in films and television series such as "Wedding Dress" (2010), "The Queen's Classroom" (2013), "Thread of Lies" (2014) and "Snowy Road" (2017).
Snowy Road was harder to film for Kim than others she had been in
A:
It's impossible to say