Which of the following is NOT true of scientific theories?
A) They are based on natural laws (such as those pertaining to gravity, relativity, atomic theory, etc.).
B) They are based on hypothesis testing.
C) They are broad in scope because they unify known facts about the world.
D) They are absolute truths and can never be proven wrong.
D
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The population growth curve is ____________ when a population encounters environmental resistance. Fill in the blank(s) with the appropriate word(s)
Which of the following best describes the Distillation Method for desalination?
A) A current is run through positive and negative electrodes in freshwater separated by semipermeable membranes from seawater. B) Large icebergs are brought to coastal waters off countries that need freshwater where they are melted. C) Saltwater is boiled and the water vapor is passed through a cooling condenser, where it condenses as freshwater. D) Seawater is frozen and thawed multiple times, with the salts washed from the ice between each thawing. E) Water on the salty side of a semipermeable membrane is pushed under high pressure through the membrane to the freshwater side.
Granular disintegration is most closely associated with ________
A) hydrolysis B) biological weathering C) frost wedging D) mass wasting E) landslides
In terms of karst, the human action of ________ has been associated with the formation of sinkholes
Fill in the blank(s) with the appropriate word(s).