A ________ is an economically important material that cannot be replenished in a reasonable time frame, so once it has been consumed, there will not be any more
A) recycled material
B) renewable resource
C) nonrenewable resource
D) plastic
Answer: C
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How do invasive species threaten the survival of native species?
Resource competition All answers are correct Predation Diseases
An oil shortage in 1973 was mainly the result of
A) increased reliance on foreign oil and global politics. B) increased reliance on foreign oil and the law of supply and demand. C) a ban on offshore exploration in the United States. D) global prosperity and demand for oil globally.
(of structures) performing a similar function but having a different evolutionary origin, such as the wings of insects and birds.
What will be an ideal response?
Stanley Miller's 1952 experiment created ________ from the chemical ingredients thought to exist in Earth's early ocean
A) simple organic compounds B) complex organic molecules C) Deoxyribonucleic acid (DNA) D) primitive bacteria