A(n) ____ is a test involving manipulations made on conditions of a particular observation
a. hypothesis
b. experiment
c. theory
d. scientific method
ANS: B
The simplification of an observation in nature or in a laboratory is conducted by manipulating
conditions. Often times, one aspect is manipulated at a time to narrow possible reasons for an
observation. Information can be found in the section Marine Scientists Use the Logic of Science to
Study the Ocean.
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A GPS receiver can collect the height in addition to the horizontal position of a point on the Earth's surface.
Answer the following statement true (T) or false (F)
As of 2014, which of the following statements about China is true?
A) China's population has doubled since 2000. B) China's fertility rate has declined from 4.5 to 1.6. C) China's population has 400 million more people than it would have had without the one-child policy. D) China's solution to population growth has been endorsed strongly by the 2008 Stockholm Conference.
What types of clouds and precipitation, if any, form when stable air is forced aloft?
What will be an ideal response?
How does urbanization of the upstream drainage area for a floodplain affect the 100-year flood level?
a. It lowers flood height, since the water runs through faster. b. It raises flood height. c. It decreases duration of the peak flood level. d. The downstream extent of the highest flood level will be less. e. There is no change; the flood level only depends on the total rainfall upstream.