Bisphenol A (BPA), a common component of plastics in bottles and can liners
A) mimics estrogen and can potentially cause disruption of human reproduction and development.
B) causes mutations similar to those caused by UV light and X-rays.
C) has been tested by the European Commission and found safe for human consumption.
D) has been withdrawn from manufacture and use in the United States.
A
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If sedimentary rocks are tilted steeply, they most likely have experienced an episode of deformation
a. True b. False
When hiking through a state park one day you come to a wetland area. How would the plants in that wetland compare to other areas of the park where the soil was not saturated?
A. There would be no leafy plants, just moss and algae. B. The plants would appear about the same, but less dense. C. The plants would be mostly different species than elsewhere.
In the state of Hawaii, 95% of endangered species are endangered because of invasive species.
Answer the following statement true (T) or false (F)
Wind-blown dust-sized particles of silt and clay can settle out to form thick blankets of sediment called _____ that may cover or bury the existing topography over widespread areas
a. barchans b. seif c. deflation hollows d. loess e. clay pan