Which of the following is not an example of an age-relationship based on absolute dating?
A) The oldest known rocks on Earth are 3.96 billion years old.
B) The Vishnu schist at the bottom of the Grand Canyon is 2 billion years old.
C) The dinosaurs became extinct 65 million years ago.
D) The Coconino formation in the Grand Canyon is older than the Kaibab formation.
D
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Which of these air pollutants was not regulated by the Clean Air Acts of 1970, 1977, and 1990?
A. CO2 B. CO C. SO2 D. NO2
On the windward side of the mountain, should the relative humidity of the parcel change as it rises from 3000 feet to 6000 feet? Why?
Assume that condensation begins at 100% relative humidity and that no evaporation takes place as the parcel descends.
Earth’s magnetic field is strongest at the equator and weakest at the poles
a. True b. False
Water and water vapor is entered Earth's early atmosphere through outgassing and eventually led to the formation of the Earth's ponds, lakes, seas, and, eventually, oceans
Indicate whether the statement is true or false