What are remittances?
A) undocumented immigrants who are caught and sent home
B) zones, particularly in urban areas, where immigrants often cluster
C) money migrants send back home
D) waves of migration caused by push factors
E) involuntary migrants who are forced to work for low wages
C
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Organisms that break down bodies of dead plants and animals into nutrients that are released into the soil or water are called
a. Detritivores b. detritus feeders c. Decomposers d. Scavengers e. Omnivores
Acid deposition is not a concern in China.
Answer the following statement true (T) or false (F)
Warming temperatures have accelerated the thawing of Gelisols. This is of particular concern because
A) Gelisols contain about half of the pool of global carbon and this release of carbon dioxide and methane into the atmosphere could further affect warming climate. B) as the permafrost metals, the meltwater will runoff, further contributing to global sea-level rise. C) Gelisols are an important soils for growing specialty cold weather crops. The thawing of the Gelisols will adversely impact this lucrative market. D) Gelisols are the youngest, least developed soils on the planet. Warming will further stifle the horizontal development of these soils.
A dry climate is defined as ________
A) one were the evaporation exceeds the precipitation B) one where the rainfall is less than 10 cm per year C) a climate where wind is the dominate form of erosion D) a climate where the temperature is over 25°C E) all of the above