________ is a good example of organic material being buried by mud or sand, and slowly being replaced by minerals found in underground waters.
A. Petrified wood
B. Shark teeth
C. Insects in amber
D. Dinosaur footprints
Answer: A
Environmental & Atmospheric Sciences
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a. ?one b. ?two c. ?three d. ?four e. ?five
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What is the difference between a solar and lunar day? Which is longer? Why?
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The Obama administration has recently revised the CAFE standards affecting fuel economy of personal vehicles by mandating
A) higher mileage four years sooner, in 2016. B) higher mileage in the same period, in 2020. C) lower mileage in the same period, in 2020. D) lower mileage about four years later, in 2024.
Environmental & Atmospheric Sciences
Scientific theories are capable of generating testing predictions
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences