The _________________________ _________________________ _________________________ effectively divided
North America into two large landmasses. Fill in the blank(s) with the appropriate word(s).
Cretaceous Interior Seaway
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Oxygen, O2, is certainly good for you. Does it follow that if small amounts of oxygen are good for you, then large amounts of oxygen would be especially good for you?
A. Yes. Increased oxygenation of the bloodstream is good for you and can increase your life span. B. No. Large amounts of oxygen will absorb hydrogen from the body and increase the amount of water in the body causing an imbalance in electrolytes. C. Yes. This is the reason patients are given pure (100%) oxygen during medical procedures. D. No. Breathing 100% oxygen for extended periods of time can be damaging to the body.
A good example of South Korea's "hallyu" becoming global is
A. the popularity of Psy's "Gangnam Style" video. B. the spread of the Korean pickled cabbage dish known as Kimchi. C. the presence of many Korean immigrants in the United States D. the popularity of Korean TV dramas in Japan.
The Cartagena Protocol (1992) is an international agreement dealing with
A) global warming from methane produced by cattle. B) the illegal drug trade. C) pollution from fertilizer runoff. D) trade in genetically modified (GM) food products.
As water warms, it ________
A) decreases in temperature B) sinks C) decreases in density D) becomes more alkaline E) dissolves increased amounts of carbon dioxide from the atmosphere