Water, when it freezes, can easily break rock because it expands. Indicate whether the statement is true or false
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Environmental & Atmospheric Sciences
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Laughing gas, sometimes called nitrous oxide, has the formula N2O. What is the proper chemical name for nitrous oxide?
A) nitrogen oxide B) nitrogen dioxide C) dinitrogen oxide D) dinitrogen oxygen
Environmental & Atmospheric Sciences
Which of the following is not associated with biological weathering?
A) Expansion of rock cracks by tree roots B) Flaking of rock particles because of lichens present C) Leaching of nutrient minerals from rocks D) Disintegration of rock by burrowing animals E) Formation of rock joints
Environmental & Atmospheric Sciences
Canada is a(n) ________.
A. supranational country B. federation C. compact state D. enclave
Environmental & Atmospheric Sciences
Nomadic pastoralists live by
A. Herding grazing animals B. Raising chickens, ducks, and pigs C. Foraging and hunting D. Raising seasonal crops E. All of these are correct
Environmental & Atmospheric Sciences