The interior of the North American continent was flooded by the Middle Jurassic
a. Navajo Sea. d. Sundance Sea.
b. Moenkopi Sea. e. none of the above
c. Morrison Sea.
D
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In ocean islands, such as Hawaii, the freshwater body within the island floats on top of ocean water. Indicate whether the statement is true or false
Why is soil conservation so vital to sustainable food production? Explain the terracing, contour planting, strip-cropping, alley cropping, shelterbelts, and conservation-tillage methods of farming used for soil conservation.
What will be an ideal response?
Historically, the settlement pattern of Intermontane West was low population densities that were centered around areas suited for farming or mining. Another way to say this is what?
A) It was a land of irregular population. B) It was a land of discontinuous settlement. C) It was a land of uneven settlement D) It was a land of patchy population.
The first native people moved to Greenland about ________ during a warm climatic period
A) 5000 years ago B) 10,000 years ago C) 15,000 years ago D) 20,000 years ago