All of the following are examples of point sources of pollution except ________
A) a large farm
B) a car repair shop dumping waste oil into the storm drain
C) an overturned tanker truck that spills into a creek
D) a sewer pipe
E) a factory discharging wastes into a lake through a large outlet
A
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____________________ convert the kinetic energy in wind into mechanical energy, which can then be used to generate electricity
Fill in the blank(s) with correct word
The real evaporation loss and transpiration by plants at a location is called _______________ evapotranspiration
Fill in the blank(s) with correct word
Otto Hahn and Fritz Strassmann discovered fission by bombarding uranium with neutrons. Their discovery was made possible by finding one of the fission products, barium (Ba, atomic no. = 56). What is a reasonable explanation for why they were unable to initially observe the other product, krypton (Kr, atomic no. = 36)?
A. The isotope of krypton generated might have a short half-life and had undergone radioactive decay to some other element. B. Krypton is a noble gas and therefore chemically unreactive, making it difficult to characterize by chemical means. C. Krypton is a noble gas and it may have diffused out of the sample. D. both A and B E. all of the above
Recent evidence suggests that the variations in Earth's orbit around the sun proposed by Milankovitch actually have very little effect on Earth's climate
Indicate whether the statement is true or false