A(n) ____ is an explanation that can be tested by additional observations or controlled experiments
A) question
B) science
C) hypothesis
D) scientific method
C
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____ occurs when a species no longer exists on the earth.
A. Ecological extinction B. Local extinction C. Biological extinction D. Natural selection E. Speciation
Analyses of budgets and appropriations reveal that the government has given an average of $2.7 million a day in ____ for privately owned interests that use U.S. public lands for activities such as mining, fossil fuel extraction, logging, and livestock grazing.
A. environmental exemptions B. loans and grants C. resources and equipment D. permits and licenses E. subsidies and tax breaks
The countries with the largest reserves of natural gas are
a. Canada and the United States b. Russia, Iran, and Qatar c. Nigeria and Algeria d. India, Venezuela, and the United States e. Russia, Venezuela, and Canada
What is unique about meiofauna and the habitat of meiofauna?
a) bacteria provide the food source b) these small organisms live in the spaces between sediments particles c) meiofauna live from the intertidal zone to the ocean trenches d) meiofauna include polychaetes, mollusks, arthropods, and nematodes e) all of the above