The continuous alteration of Earth materials from one rock type to another is known as the
A) geologic cycle.
B) rock cycle.
C) hydrologic cycle.
D) tectonic cycle.
B
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Choose the option that orders the measurement of time from shortest to longest
A) epoch, period, era, eon B) era, epoch, eon, period C) period, epoch, era, eon D) epoch, period, eon, era
Which of the following are ways in which a geoscientist may determine the density of earth materials?
A. calculating the volume of the object, but not its mass B. determining the weight of the object, but not its volume C. None of these choices are correct.
Some beetles escape from a ship and fly to a small island covered with grass but with no trees or beetle predators. As the beetles feed, they destroy all the grasses. But with abundant food, the beetle population soars, doubling in size every month
After about a year, the population crashes as thousands of beetles have destroyed almost all of the plants and there is little left to feed the large population. This scenario best illustrates A) constant growth followed by equilibrium. B) a population that has stabilized near its carrying capacity. C) exponential growth followed by a population crash. D) the fact that the beetles have strong competition from other species for food supply.
Mariculture is making great headway on the continent of Africa
Indicate whether the statement is true or false