Why is iron not abundant in the ocean?
a. It is trapped in the Earth's crust.
b. It is held in sediments.
c. It is nearly insoluble in oxygenated water.
d. It is not very reactive.
ANS: C
The little dissolved iron is highly reactive, it sticks to falling particles in the water, and then sinks to
the bottom. Information can be found in the section Elements Cycle between Living Organisms and
Their Surroundings
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Ray Anderson is noted as a model businessman because he
A. ran a major carpet retailer while following government regulations. B. was an innovator of new carpet design techniques using the latest technology. C. shifted a large company toward sustainable business practices while growing his business. D. acknowledged that growing his business was secondary to practicing sustainability. E. lobbied effectively for government carpet square subsidies.
Once a hypothesis is rejected,
A) an observation cannot be made. B) the experiment fails. C) it can be revisited in future studies. D) the scientific method has been violated.
Laissez-faire capitalism
A) maximizes the role of the government in the economy. B) was adopted by the Soviet Union during the height of the Cold War. C) emphasizes the importance of a minimum of restrictions on economic activity. D) is also known as state-directed capitalism.
Convert the number of days from question ? into hours. What will be an ideal response?