You have read about the mistakes made on Easter Island. On Tikopia, another small island, 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 practiced contraception. These all indicate that ________.
A) they truly practiced sustainability
B) they felt that everything was a renewable resource
C) they believed in full resource utilization
D) they felt that everything was a nonrenewable resource
E) they were concerned with only one year at a time
A
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In what way does the law of conservation of matter dictate what happens to arsenic when it is released into the environment?
A. Since arsenic is an element and cannot be broken down by typical environmental conditions, it can continue to poison animals and pollute the environment forever. B. Since arsenic is a compound composed of several different elements, it will break apart into harmless elements and pose no future danger. C. Arsenic degrades into harmless atoms and electrons over time as environmental conditions change. D. Arsenic is not a toxic compound so nobody cares what happens to it after it is discarded.
________ continental margins typically exhibit wide, extensive, continental shelves.
A) Transverse B) Lateral C) Passive D) Active
A biome found in the tropics that is known to have very low nutrient content in its soil is the ____________________
Fill in the blanks with correct word
The plant tissue responsible for conducting water and nutrients up from the roots is the
A. xylem. B. leaf. C. stomata. D. phloem.