Which of the following is true about charcoal?
a.
it is made by mixing carbon and clay.
b.
it has been a main medium used by japanese artists throughout history.
c.
charcoal is difficult to work with and expensive.
d.
there are two forms of charcoal that are popularly used.

How have ethnic groups shaped the population in central america and the caribbean? how has migration shaped the population in central america and the caribbean? how has small land areas shaped population in central america and the caribbean? how has a rapid population growth shaped the population in central america and the caribbean?