In many countries, total fertility rate is at or below the replacement rate. Do the benefits outweigh the costs when populations remain stable or decline?
a. Yes. Individuals will have more access to limitednatural resources and a higher quality of life.
b. No. There will eventually be a lack of suitableresources to care for the aging population.
c. No. Fewer individuals in a population means less brainpower to tackle society’s toughest challenges.
d. Yes. This trend indicates that women have better access to education and resources for familyplanning.
A, B, C, D
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Hot spots are responsible for the formation of what type of geological feature?
a. Spreading centers b. Subduction zones c. Volcanic islands d. Rift valleys e. Mountains
Why is historical geology important?
A) It integrates the chemical, physical and biologic processes to interpret the history of the Earth. B) It helps to update a list of records for every geologic event in history. C) It helps geologists to understand groundwater and its uses. D) It helps geologists find oil.
The “Gas” layered above the oil is called natural gas. It is
1.propane.
2.methane.
3.hydrogen.
4.unrefined gasoline.
Many people consider the ocean to be the ultimate trash dump. This is because
1.out of sight, out of mind.
2.we’re running out of room for more landfills.
3.the ocean is so deep, there’s no way trash or wastes can surface or be seen again.
4.there is so much water in the ocean that the waste will be diluted to non-harmful levels.