The Montreal Protocol is a UN agreement that is intended to ________
A) reduce air pollution globally
B) reduce ozone in the atmosphere
C) reduce CO2 in the atmosphere
D) reduce CFCs in the atmosphere
E) make everyone feel good about the environment without really fixing anything
D
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The property of a mineral to break along planes of weakness is referred to as
A) cleavage. B) hardness. C) fracture. D) bond strength.
Polygonal forms in clay sediments generated by repeating cycles of wet and dry are ____________________
____________________. Fill in the blank(s) with the appropriate word(s).
How many half-lives are required to yield a mineral with 2,000 atoms of parent isotope and 30,000 atoms of daughter isotope? If the half-life of the parent-daughter isotope pair is 1.0 billion years, how old is the rock? Please show your work
What will be an ideal response?
You are sitting in class when your professor begins talking about a dome with the inner layers dating back to the Tertiary and its outer layers dating back to the Permian. You immediately know this professor is wrong. What is your evidence?
A) Domes don't have layers. B) Domes have the oldest layers in the middle, not the youngest. C) Now that we know the age of the layers, we would call it a syncline. D) Domes didn't exist back then.