What is the thick, old crust of earth known as?

Which is the largest ethnic group in guinea? malinkéfula (correct)kissisoussouand another question. guinea has always had a stable government led by elected presidents. truefalse (correct)

Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;

Stages 1 and 4 of the demographic transition are similar in that