From a global sustainability perspective, economic production
A) is the sum of all photosynthesis in the biosphere and the resulting natural products.
B) consists of all of the natural products and natural resources in the world, which are available for harvesting by humans.
C) is the process of converting the natural world to the manufactured world.
D) represents the summed gross national products of all industrialized nations of the world.
C
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Moslems were unable to conquer any parts of Spain until after 1492
Indicate whether the statement is true or false
Which is NOT TRUE regarding land degradation?
A) Poverty is a major cause of land degradation. B) Land degradation can lead to landslides. C) Soil compaction is one form of land degradation. D) Land-use change has universally negative effects on human well-being. E) Demand for more food production contributes to overexploitation of good agricultural soil.
Which characteristic sets dinosaurs apart from reptiles?
A)teeth permanently attached to the jaw B)amniotic eggs C)flight D)ball-like head on the upper leg bone E)permanent bend in the lower leg bone
To which numbered depth would the effects of this wave likely reach?
A) Only on the surface
B) 1
C) 2
D) 3
E) Much deeper than 3