The oceans' surface water is
A. not acidic enough to maintain the earth's climate.
B. more able to absorb carbon dioxide as the water temperature increases.
C. less able to absorb carbon dioxide as the water temperature increases.
D. largely stagnant in terms of facilitating temperature changes
E. becoming dramatically cooler in recent decades.
Answer: C
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The industrialization of agriculture involves all of the following except
A) the replacement of labor with machines. B) technological changes in inputs that affect the biological outputs. C) the replacement of agricultural products with manufactured (synthetic/artificial) products. D) the globalization of the food chain. E) the replacement of chemically-oriented agriculture with organic production.
What occurs during cementation?
A) Additional layers of sediment accumulate and press down on the layers underneath them. B) Sediment is heated up, causing them to cement together. C) Minerals precipitate from water in the pore spaces between sediment particles and cement them together into rock. D) Sediment crystallizes, causing them to cement together.
A rancher overgrazes his land in an area underlain by heavy clay soils and regolith developed from weathering of claystone. After a series of heavy rains small creeks develop deep gullies along their length. A light steady rain develops and continues for several days. What should the rancher be concerned about on his overgrazed lands?
A) slumps along the creeks
B) increasing gully development because of the rain
C) rock avalanche
D) lahars filling cascading down his creeks, wiping out his cattle
Explain why a farmer today might prefer to work on a collective farm instead of being a small-time farmer who owns his own land
What will be an ideal response?