Which of the following is true about Thiessen polygons?

A. The derivation of Thiessen polygons is based on a global method.
B. Thiessen polygons do not vary in size.
C. Thiessen polygons are smaller in areas with denser control points.
D. The derivation of Thiessen polygons is based on a mathematical model.


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Composite volcanoes are also known as ____________________ and are composed of both

____________________ flows and ____________________ material Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Which one of the following government actions matches its outcome?

A. High taxes on motor fuels lead to increased fuel efficiency. B. Tax credits for installing solar energy lead to reduced use of solar energy. C. Regulation on emissions from power plants leads to reduced energy cost for electricity. D. Subsidies for energy companies reduce the cost of energy.

Environmental & Atmospheric Sciences

Bacteria that make their own organic compounds by obtaining energy from chemical compounds and not directly from light are ________.

A. chemosynthetic B. protists C. living off decaying organisms D. photosynthetic E. heterotrophic

Environmental & Atmospheric Sciences

A flood crest

A. usually increases downstream from the area covered by the rain storm. B. is the maximum stage of the river at any point along the stream from a flood event. C. is when a stream overflows its normal flow channel and spills out onto the floodplain. D. can take years to travel from its initiation point to the mouth of a river.

Environmental & Atmospheric Sciences