Technological improvements have changed economies of scale in both commercial and subsistence agriculture. A. Compare and contrast subsistence and commercial farming with regard to purpose, characteristics, and employment.

B. Describe two types of subsistence agriculture and identify geographic regions and climate zones where they are practiced.

C. Describe two types of commercial agriculture and identify geographic regions and climate zones where they are practiced.

Solve for r in the formula v = ir, when i = 5 and v = 15.

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies? a. it's a region that exhibits a weak gravitational pull, thus maintaining a safe distance from the sun. b. it's an area that doesn't experience any major weather events that could cause mass extinctions. c. it's an area that's an optimal distance from the sun for potentially supporting life. d. it's a region that's unaffected by asteroid or meteor impacts.

What sequence of events connects the industrial revolution, industrial capitalism, communism, and the cold war?