What is an anthropogenic landscape?
A) a pristine, natural landscape in its original state
B) a landscape that anthropologists have studied extensively
C) a landscape that has been heavily transformed by human activities
D) a steppe-like landscape
E) a landscape that bears an uncanny resemblance to an anthropod
C
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What are some pros and cons of the surface mining of coal? What will be an ideal response?
A species has evolved an asexual mode of reproduction by having offspring develop from unfertilized eggs. Which of the following will be true of this species' response to natural selection?
A) The species will increase in numbers because genetic variation is increased. B) The species will compensate for loss of genetic variation by hybridizing with other species. C) There will be fewer deaths from natural selection because sexual recombination always leads to extinction. D) There will be less genetic variation from sexual recombination and a risk of not adapting quickly to environmental change. E) There will be more deaths from natural selection because there is no mutation.
About ________ % of the natural gas used by humans is derived from the seabed
a. 28 b. 50 c. 38 d. 75
One way of increasing our supplies of rare earth minerals is to ____.
A. import them from asteroids B. extract and recycle them from discarded electronics C. grow them chemically in a lab D. require manufacturers to use a different material E. buy more from China