Which piece of evidence does not point to the accretion of a wet Earth?
A) meteor water ratio compared to Earth rocks
B) Moon rocks compared to Earth rocks
C) zircon crystals in granite
D) craters on the Moon
Answer: D
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How is a neutral object different from a negatively charged object?
Many scientists and policy makers are suggesting an ecosystem approach to sustain aquatic systems. The cornerstone of this would include establishment of fully protected ____.
A. marine reserves B. benthic zones C. high seas zones D. continental shelf areas E. wildlife reserves
Dredging and straightening the Mississippi River has increased the river's flow of nutrients and sediment pollution into the Gulf of Mexico.
Answer the following statement true (T) or false (F)
The ________ layer of permafrost must melt for solifluction to occur
Fill in the blank(s) with the appropriate word(s).