Based on your best historical guess, what is “bimetallism?

a system of allowing the unrestricted currency of two metals (sliver and goldd)as legal tender at a fixed ratio to each other.

Explanation:

a system of allowing the unrestricted currency of two metals as legal tender at fixed ratio to each other.

Explanation:

a monetary standard in which the value of monetary unit is defined as equivalent to certain quantities of two medals typically gold and silver

i thinl it is the 1st answer

donald carl johanson (born june 28, 1943) is an american paleoanthropologist. he is known for discovering – with yves coppens and maurice taieb – the fossil of a female hominin australopithecine known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

i googled "who was kolson johanson" and this is the answer i found.

sorry if this is incorrect.