Labeling
A. On the accompanying temperate-zone lake, choose the zone of open water where photosynthesis can occur.
B.
C. On the accompanying temperate-zone lake, choose the zone primarily inhabited by invertebrates, such as decomposers, that can live in the low oxygen.
A. 1
B. 2
C. 3
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300 million years ago Ancestral North America was
A) in its present day location. B) part of Pangea. C) at 60 degrees north latitude. D) at the south pole.
What is the definition of eluviation?
A) Decayed organic material
B) Accumulation of fine clay particles in a soil column
C) Downward transportation of fine clay particles in a soil column
D) The collective term for the O, A, E, and B horizons
Multinational corporations challenge individual nations to regulate them or tax them through offshore profit shifting
Indicate whether the statement is true or false.
Which of the following statements is NOT true about clastic sedimentary rocks?
A. To be called a sandstone, quartz must make up more than 95 percent of the grains. B. The natural cement that holds sedimentary rocks together is composed of dissolved minerals that precipitate. C. The amount of pore space decreases as a sand is compacted into sandstone. D. Clasts in a conglomerate or breccias can be different rock types or can be all the same rock type.