common
common
rare
It's rare in the sense that it's NOT produced by the US Mint, but rather by a private company or individual.
No it's not.
common
no
No. The 1937-Philadelphia is actually the second most common date of all buffalo nickels at 79.5 million.
no it is very common
Yes, platinum is considered a rare metal. It is rarer than gold and is often found in small quantities combined with other metals such as nickel and copper. Its rarity contributes to its high value and use in various industries.
An opossum is NOT rare, it is a common animal.
Nickel and technetium are both transition metals with similar physical properties. They are both able to form multiple oxidation states and are commonly used in various industrial applications. Additionally, both elements are relatively rare in nature and are often obtained as byproducts of certain mining processes.
common minerals are not rare minerals eg:not rare