What percentage of species do scientists predict we will drive to extinction by the year 2100?
A. 25-50%
B. 5-10%
C. 0%
D. 75-100%
Answer: A
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Most organisms are involved in multiple food chains.
Answer the following statement true (T) or false (F)
The name of a location on Earth's surface is a
A) scale name. B) site. C) situation. D) toponym. E) geonym.
Which of the following best defines condensation point?
A) The highest temperature at which a gas changes to a liquid B) The temperature at which a solid changes to a gas C) The temperature at which a liquid changes to a solid D) The temperature at which a solid changes to a liquid
What is the correct order of conformable sedimentary facies, from shoreline toward open water?
a. shale ? mud ? sand b. limestone ? sand ? conglomerate c. limestone ? shale ? mud d. sandstone ? shale ? limestone e. mud ? sandstone ? shale