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

Environmental & Atmospheric Sciences

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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%

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

An example of an autotrophic protist is

A) kelp. B) mosses. C) amoebas. D) choanoflagellates.

Environmental & Atmospheric Sciences