The early atmosphere of the Earth probably was rich in all of these gases, except
a. oxygen. d. carbon monoxide.
b. carbon dioxide. e. nitrogen.
c. sulfur dioxide
A
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Which of these statements regarding biogeography is false?
A) Despite their similarities, new world tropical forests and old world tropical forests are occupied by different sets of living organisms. B) Closely related species tend to be found close together, suggesting they evolved in one place and then spread. C) Island species are usually most closely related to species found on the closest mainland. D) Islands tend to be occupied by many land animals, but few or no flying ones.
What type of stress is the cause of most folding?
a) tension b) compression c) confining pressure d) fluid pressure e) all of the above
Gneiss is a high-grade metamorphic rock that is streaked or has segregated bands of light and dark minerals
Indicate whether the statement is true or false
Why will we never be able to replace the gasoline we currently use to power our vehicles in the U.S. by either ethanol made from corn or cellulosic ethanol?
What will be an ideal response?