Is the idea that continents move around the earth.

a. climatic evidence
b. seafloor spreading
c. isostasy
d. continental drift

Europeans are more concentrated in urban areas.

Answerkolkata;

Build a market-oriented economy;

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.