Why is gemology considered a separate field from geology or mineralogy?
What will be an ideal response?
Answer: deals with sentimental/economic materials
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Weather is the summary of climatic conditions over several decades or more; a place's climate pattern over time
Indicate whether the statement is true or false.
Neritic sediments are mainly comprised of biogenous sediments due to the proximity to the continental shelf
a. True b. False
Why does population increase affect the number of catastrophic events?
A) Greater numbers of people occupy marginal lands in the path of hazardous processes. B) Population affects the magnitude and frequency of hazardous events. C) Hazardous events are more likely to occur in areas with more people. D) As in Mexico City, earthquake magnitude is directly related to population.
Sediments derived primarily from the products of weathering on the continents are called ________
A) terrigenous sediment B) hydrogenous sediment C) biogenous sediment D) both terrigenous and biogenous sediment