Rhyolite forma as lava coola very quickly, forming holes Sometimes gems can form within the holes. The image show fire opal within thyolite ch type of rock is rhyolite A intrusive igneous
B metamorphic
C Extrusive igneous
D sedimentary
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Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Cells are adapted to preform specific functions. which of the following terms refers to this capability?