Since the beginning of the Industrial Revolution, the increased flux of carbon into the atmosphere has been primarily due to ________
A) the addition of phosphate to detergents B) the addition of fertilizers to the soil
C) the burning of fossil fuels D) desertification
C
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Please discuss the history of Korea, explaining how it came to be divided into two countries. What is the current situation in South Korea and North Korea?
What will be an ideal response?
Each year the world's population grows by an amount equal to the population of Germany.
Answer the following statement true (T) or false (F)
Shelterbelts are to ________ as terraces are to ________
A) salinization; stratification B) leaching; desertification C) wind erosion; water erosion D) stratification; salinization E) water erosion; wind erosion
What is the collection of physical and human geographic features on Earth's surface called?
a. a model b. a map c. a region d. a landscape e. a projection