In terrain with steep hill slopes, which crop and cultivation technique will minimize soil erosion?
A) bean; rows are spaced wider than on a level field
B) winter wheat; after the harvest, the field is plowed and left idle until next fall
C) apples; land between the trees is planted in grass and not cultivated
D) corn; rows trending straight down the slope, frequent cultivation
C
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Which of the following statements is TRUE regarding the population pyramids of Australia and the Solomon Islands?
A) The Solomon Islands and Australia are growing at roughly the same rate.
B) Women have more children in Australia than do women in the Solomon Islands.
C) The Solomon Islands are growing faster than Australia.
D) Australia is growing faster than The Solomon Islands.
E) Australia has a younger population than the Solomon Islands.
Petroleum and oil reserves are often found in sedimentary rocks because
A) these rocks are very porous and permeable. B) chemical changes occur to create these reserves. C) these rocks can contain fossilized organic matter. D) oil accumulates in the sediments.
What are Hydrothermal Fluids?
a. Very hot water solutions b. Lava c. Water affected by geothermal d. None of the above
Geography is often called the ____ science because it includes the recognition, analysis, and explanation of variations in phenomena as they are distributed on Earth's surface
a. Earth b. special c. spatial d. social