Eutrophication does not occur naturally; it is the result of human activities altering the nutrient balance in water.
Answer the following statement true (T) or false (F)
False
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An example of an autotrophic protist is
A) kelp. B) mosses. C) amoebas. D) choanoflagellates.
The central point, or node, for a tide in an ocean basin where little change in vertical height is measured is known as the amphidromic point
Indicate whether the statement is true or false
Approximately what percentage of an individual's average annual exposure to radiation is associated with naturally occurring radiation?
A) 20% B) 40% C) 60% D) 80%
The Cornucopian view held by many economists suggests that resource depletion due to greater numbers of people ________
A) will cause a population crash B) poses no problem because humans are too intelligent to allow it to become one C) will lead to natural selection of the most fit individuals D) poses no problem if new resources can be found to replace depleted ones E) poses no problem because disease will limit population size