When lava cools, which type of rock forms?
a. intrusive
b. extrusive
c. phaneritic
d. porphyritic

In a economy individuals answer the three basic and the central authority or leaders have little say in the economy.

Which environment would most likely not contain fossils? a a thick deposit of cracked, dried mud b sediment deposited in a sandy river bed c intrusive rock formed from cooled magma d layers of sand accumulated for a century

How many countries have portuguese as a national language?