bio 11. Which ol the following is not true about the O horizon of soils: a. it i
ID: 52842 • Letter: B
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bio 11. Which ol the following is not true about the O horizon of soils: a. it is mostly or entirely derived from organic matter input b. it is mostly biotic in origin c. it is mostly sand d. it contains a large quantity of clay and clay-like minerals e. it is generally very thin in oxisols 12. which of the following may be associated with cold ocean currents: a. a tropical rainforest on-shore b.Usually very wet and humid conditions c.A dry fog desert can form on-shore d. Coral reefs and mangroves e. Telepathic squid wearing wedding gowns and communicating with your favorite aunt 13 A. s00 200 2 200 1925 945 1983 Yew Take a look at the graphs above. Which of the following can be said about river A. (the graph on the left) versus river B. (the graph on the right). a. A. is a bigger river than B. b. A. is more constant in its flow than B. c. A. is found in a dry area; B. is found in a wet area d. A. is wider than B. e. A. is more polluted than B. 14. In lakes in the south (for example, Georgia), mixis (turnover) occurs: a. twice a year b. three times annually c. once in the summer d. once in the Fall or Spring e. mixing occurs during Sorority Mixers. Sorority sisters visit lakes in the early Fall, drain half the water and replace the water with alcohol. The alcohol is lighter than (lower specific gravity) water so it floats on top. However, once the sisters get real toasted, they get in boats and cruise around on the lake. Their wild parties tend to stir up or turnover (if it gets crazy enough) the entire lake. Fish become inebriated and ask the sorority women on dates; knowing better, the students refuse, which in the end meansa school of angered fish and a school of smug college women.Explanation / Answer
11 D) It mainly contains clay and clay like materials. The O horizon is an accumulation of organic matter with little if any mineral matter present. An O horizon can be classified further based on the state of the organic matter: "a" indicates highly decomposed organic matter, "i" indicates largely intact organic matter, and "e" indicates and intermediate level of decomposition..
12 A) a tropical rainforest on shore.The processof density differences in water due to temperature (thermo) and salinity (haline) variations in different parts of the ocean. Currents driven by thermohaline circulation occur at both deep and shallow ocean levels and move much slower than tidal or surface currents.
upward movement of the deep, colder water is called upwelling.the ecological effects of upwelling are quite diverse, but two impacts are especially noteworthy. First, upwelling brings up cold, nutrient-rich waters to the surface, which encourage seaweed growth and support blooms of phytoplankton. The phytoplankton blooms form the ultimate energy base for large animal populations higher in the food chain, including fish, marine mammals and seabirds.The sharp boundary between nutrient-rich upwelled waters and nutrient-depleted warmer waters creates a biological transition zone between temperate and subtropical species that is unique to this area.
Currents affect the Earth's climate by driving warm water from the Equator and cold water from the poles around the Earth. The warm Gulf Stream, for instance, brings milder winter weather to Bergen, Norway, than to New York, much further south.
13 b) river A is more constant in flow than river B
14)a) twice a year, LakeTurnover is a term that is often used incorrectly to describe one period of the annual cycle of lake stratification (layering), which affects the water quality of Southeastern reservoirs. Throughout the year at Georgia’s latitudes and elevations, reservoirs go through a fairly predictable annual cycle.
15) a and c
16) what is a grassland?
17)C)
18 b)
19 b)
20) a)
21)a)
22)a)
23.a)
24 )a)
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