Every scientific observation and test has demonstrated that
A) supernatural explanations should be included in our explanations.
B) if theories are repeatedly tested, they can become hypotheses.
C) the universe functions according to certain basic principles and laws.
D) every scientific investigation requires the inclusion of proper control groups.
C
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During sedimentation, materials are often sorted by ________.
A) shape B) color C) porosity D) size E) atomic weight
In the cumulus stage of an ordinary single-cell thunderstorm
A) warm air near the ground rises at the moist adiabatic lapse rate. B) moist air rushes upward, forming the updraft. C) entrainment is not yet occurring. D) hail formation is most prevalent. E) thunder and lightning are common.
The largest repository of freshwater in the world is in ice-covered Antarctica
Indicate whether the statement is true or false
Exponential growth in a population
A. refers to an increase by a constant percentage each year. B. includes any pattern of increase in numbers. C. is also called arithmetic growth. D. refers to an increase by a constant amount, such as a net gain of 100 individuals per year.