You have read about the mistakes made on Easter Island. On Tikopia, a small island in the Solomon Islands, the people acted in other ways. When they realized that the pigs they had imported were damaging the environment, they killed them all. They had to
have permission from a chief to fish, which prevented overfishing. They also practiced contraception. These actions all indicate that ________.
A) they were concerned with only one year at a time
B) they felt that everything was a nonrenewable resource
C) they felt that everything was a renewable resource
D) they were attempting to enact sustainability
E) they believed in full resource utilization
Answer: D
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What is a principle that can be used to determine the age of a landscape surface?
A) A landscape surface must be older than any rocks onto which it is carved. B) A landscape surface is younger than any rock that is deposited on top of the surface. C) The highest river terrace is probably the youngest in age. D) A surface with a well-developed soil is probably older than a surface with no soil.
What is the collection of physical and human geographic features on Earth's surface called?
a. a model b. a map c. a region d. a landscape e. a projection
In the last 20 years geologists have begun measuring accumulation of Helium (He) in some minerals because these minerals can retain He at temperatures up 100-200°C. The "date" gives a time when the material cooled below the temperature where the helium began to be retained, which is related to the depth of the material. Where do you think the He comes from that allows this technique to work?
A) alpha decay of some radioactive element B) beta decay of some radioactive element C) the sun D) the atmosphere, like carbon-14
Deep ocean trenches are surficial evidence for ________
A) rifting beneath a continental plate and the beginning of continental drift B) transform faulting between an oceanic plate and a continental plate C) sinking of oceanic lithosphere into the mantle at a subduction zone D) rising of hot asthenosphere from deep in the mantle