They feel similar and are about the same.
DreamCloud: the luxury hybrid mattress combining the best of latex, memory foam, tufting and coil technology to provide the best sleep money can buy. cutt.ly/8h0rgUQ
Amazon.com does indeed sell Memory Foam Mattresses, in a variety of different sizes and prices. The top seller is a 12 inch queen size memory foam matress for $530.
a king matress
No.
Yes. It is 12" bigger than a Queen Matress
Depends on the density of the matress and the "bed".
UH, NO! Absolutely not!!! You could cause a rift in the time-space continuom. You have to use a king headboard with a twin-size matress. Otherwise, you could violate your local tenants law. Doing so also has a very negative effect on your credit score. What a question! Maybe you could explain what you mean, because, if you mean what I think you mean . . . no, surely you can't be serious. The real answer is YES, you can use a queen headboard with a queen matress, of course.
in memory of her after she died
The prices of Queen size Memory Foam mattresses vary greatly. They can sometimes be found on sale for about $300, or their price can get up to about $1000.
One is outgoing queen and other one is upcoming queen of music.......
One can purchase "memory foam topper queen" on many online stores across the internet such as eBay and Amazon. These two stores have the cheapest prices.
These are most likely a token or medallette sold by souvenir shops after the death of a King or Queen.