The Milankovitch cycles deal with these changing characteristics of Earth: ________, ________, and ________
Fill in the blank(s) with the appropriate word(s).
Answer: eccentricity; obliquity; precession
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Sediments derived from water are classified as hydrogenous sediments
Indicate whether the statement is true or false
The value of many natural ecosystem services is most apparent as
A) we appreciate the damages and economic loss that result from the disruption of these ecosystems. B) new technologies allow us to more fully exploit the natural capital of these ecosystems. C) research into alternate energy resources continues. D) new species are discovered and described by scientists.
Rare earth elements are the least abundant elements on our planet.?
Answer the following statement true (T) or false (F)
Grazing animals and the grasses they eat have both evolved in response to each other's influence. This process is known as
A. extinction. B. competitive exclusion principle. C. coevolution. D. interspecific competition.