Recycling rates have changed over the years since municipal solid waste recycling was initiated in the early 1960s. During what time period were these rates the highest?
A) 1980-1985 B) 1985-1990 C) 1960-1970 D) 1995-2000 E) 1990-1995
B
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The ITCZ:
A) is an area of high pressure. B) is where trade winds originate. C) forms the boundary between the Ferrel and polar cells. D) receives a lot of rain.
The speed of the wind at a place is primarily determined by the barometric pressure at that place
Indicate whether the statement is true or false
Earthquake-related tsunami are created by sub sea fault movements with pronounced vertical offsets of the seafloor. Such movements occur most commonly along ________.
A. hot-spot island chains B. oceanic transform faults C. seafloor spreading centers D. continental rift zones E. subduction zones
Deforestation of rain forests exposes tropical soils that are famous for their low fertility, despite the fact that they had previously hosted a lush tropical forest. Which soil type would describe these soils?
A) Andisols—young soils formed on volcanic ash and volcanogenic sediment B) Histosols—Organic soils with little or no climatic implications. Can be found in any climate where organic debris can accumulate to form a bog soil. Dark, partially decomposed organic material commonly referred to as peat C) Vertisols—Soils containing large amounts of clay, which shrink upon drying and swell with the addition of water. Found in subhumid to arid climates D) Oxisols—Soils that occur on old land surfaces unless parent materials were strongly weathered before they were deposited. Rich in iron and aluminum oxides, Oxisols are heavily leached, hence are poor soils for agricultural activity