A scientific theory is a ________ .
a. hypothesis that has not been disproven after many years of testing
b. reasonable hypothesis that cannot be adequately tested
c. precursor to a hypothesis
d. hypothesis that has been proven after many years of testing
e. hypothesis that is accepted as natural law
a. hypothesis that has not been disproven after many years of testing
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If we examine the standard of living in Australia, Saudi Arabia, and India, we find that Australia has the highest standard of living, India has the lowest standard of living, and Saudi Arabia has an intermediate standard of living
Based on this information, which of following shows the correct listing of these countries from largest to smallest in terms of ecological footprint? A. Australia, Saudi Arabia, India B. Australia, India, Saudi Arabia C. India, Saudi Arabia, Australia D. Saudi Arabia, India, Australia E. India, Australia, Saudi Arabia
A cleaning solution used on the venipuncture site to avoid skin contamination of the blood sample is called a(n):
a. surfactant. b. disinfectant. c. biocide. d. antiseptic.
The first members of classes Osteichthyes and Chondrichthyes appeared in the __________ period
a. Permian b. Paleozoic c. Devonian d. Jurassic e. Cretaceous
Animals store carbohydrates as ________
A) cellulose B) glycogen C) starch D) maltose