Depletion of the ozone layer leads to increased amounts of UV radiation striking the surface of the earth
Indicate whether the statement is true or false
TRUE
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Most organisms are involved in multiple food chains.
Answer the following statement true (T) or false (F)
_____ is a special type of natural selection in which males compete for mates or females select mates based on such traits
A)Mate selection B)Breeding C)Sexual selection D)Cross-breeding E)Survival of the fittest
Which of the following best describes natural laws?
A) They are assumed by scientists to operate in the same way throughout the universe. B) They have gradually and spontaneously changed over long periods of time. C) They have been changed several times as the result of experimental data. D) They apply to matter but not to energy.
What does the Fossil Trace Golf Course in Golden, Colorado, have to do with mineral resources?
A) Hazardous wastes from years of mining in the area were dumped there. B) It was constructed in a reclaimed limestone-clay quarry. C) The fossils there contain concentrations of precious metals. D) Mineral deposits in the rocks beneath the golf course were found to contain recoverable concentrations of zinc and iron, leading to conflict between mining and recreation.