Identify and describe the main features that distinguish commercial agriculture from subsistence agriculture
What will be an ideal response?
Answer: Should address the Percentage of Farmers, the role of machinery, science and technology and farm size.
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On a weather map of the Northern Hemisphere, one would observe the westerlies ____
A) north of the subpolar lows B) south of the subtropical highs C) between the doldrums and the horse latitudes D) between the subpolar lows and the subtropical highs
Earth's mantle ________
A) is located in Pangaea B) is formed by plate boundaries C) is composed of molten metals D) is the outermost part of the earth's crust E) surrounds the core as a thick, elastic rock formation
A population is a group of different species that inhabit a specific area.
Answer the following statement true (T) or false (F)
Which of the following is not an innovation that transformed the prairie from grazing land to cropland?
a. subsurface drainage tile b. wooden plow c. well digging machinery d. barbed wire