Generalized Ocean Basin Cross Section
What will be an ideal response?
> Continental margin (active or passive), abyssal plain, ridge, and a trench. Passive: not a plate boundary; Active: move from one plate to another
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A very comprehensive and effective hazardous-waste collection and detoxification program is in
a. France b. Denmark c. Norway d. Yugoslavia e. the United States
Which of the following is not a mineral?
A) volcanic glass B) ice C) quartz D) plagioclase feldspar
Which of the following most accurately describes the process by which a dead zone occurs?
A) Overharvesting and poor fishing techniques create areas devoid of life within the ocean. B) Fertilizers and pesticides are carried from cities and farmland to the oceans, where these pollutants kill fish and other marine organisms, creating a zone devoid of life near shore. C) Nutrient runoff leads to increased growth of aquatic algae and plants, which remove oxygen from water in order to photosynthesize. Fish and other marine organisms are thus robbed of the oxygen they need. D) Increased nutrients lead to increased growth of algae and plants. When these organisms die, decomposers use oxygen in the water to break down the dead organisms. Fish and other marine organisms are thus robbed of the oxygen they need.
Identify steps that can be taken to reduce the size of the waste stream
What will be an ideal response?