The ozone layer is in what layer of the atmosphere?
A) Troposphere B) Thermosphere C) Stratosphere D) Mesosphere
C
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What is the metabolic rift?
What will be an ideal response?
Purple martins are the largest species of swallow in North America. In the Eastern United States, they breed almost exclusively in large colonies in artificial martin houses and hollowed-out gourds hung by martin enthusiasts
Given this information, which of the following would be a valid inference? A) Purple martins and martin enthusiasts exhibit a relationship that can best be described as commensalism. B) In the eastern United States, purple martins have a size advantage over other swallows and are able to outcompete them for nest sites. C) In the eastern United States, purple martins are specialists because they rely almost solely on humans for nesting sites. D) In the eastern United States, purple martins are generalists with a broad ecological niche.
Rapid mass-wasting events do not always need a trigger
Indicate whether this statement is true or false.
Areas of the Middle East and North Africa that were administered by a European power, with a promise and preparation for self-government and future independence were called:
A) colonies B) townships C) mandates D) territories E) republics