Which type of sediment is the greatest contributor, on a world scale, to the sediments of the neritic zone?
A. Hydrogenous
B. Cosmogenous
C. Terrigenous
D. Biogenous
E. Volcanic
Answer: C
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What is the tidal datum in reference to in regions with semidiurnal mixed tides?
a. Mean lower low water b. Mean low water c. Tidal range d. Mean tide
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.
Temperature increases with altitude through most of the stratosphere because ________
A) sunlight is more intense in the stratosphere B) greenhouse gases warm the air C) jet stream winds produce frictional heat D) heat is released when oxygen and ozone absorb the sun's UV radiation E) water vapor levels are high and store heat
The changing distance between Earth and the Sun has virtually no relationship to the seasons
a. True b. False Indicate whether the statement is true or false