Why can nutrients be considered pollutants in some situations?
Excess nutrients, such as fertilizer runoff, can stimulate the growth of some species to the detriment of others, destroying the natural balance of an ocean area. Huge blooms of phytoplankton can choke the gills of some animals and even deplete oxygen in ocean water.
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As water begins to freeze, its ____________ does not change as more heat is removed, until all of the water has
frozen. Fill in the blank(s) with the appropriate word(s).
One significant impact of popular culture is to
A) create a more varied and less uniform landscape. B) promote the diffusion of folk culture. C) modify the physical environment. D) spread through relocation diffusion. E) diffuse at the expense of globalization.
Exfoliation and pressure-release jointing are examples of ________ weathering processes
A) chemical B) physical C) biological D) both biological and physical
A contour current is a bottom current that flows parallel to the slopes of the continental margin.
Answer the following statement true (T) or false (F)