Most of the excessive carbon dioxide that is expected to cause global warming is generated by green plants.
Answer the following statement true (T) or false (F)
False
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The principle of isostasy refers to:
a) the difference in the strength of the mantle versus the crust b) the relationship between regional elevations and thickness of crustthe relationship between regional elevations and thickness of crust c) how the outer core differs from the inner core d)how the upper mantle differs from the lower mantle
Roundup Ready corn is a transgenic crop that is resistant to the herbicide Roundup (glyphosate). What is the main reason that farmers would want to plant Roundup Ready corn?
A) Water supplies are often contaminated with Roundup, which typically kills corn. Such contaminated water can be used only on Roundup Ready crops. B) Farmers can use Roundup on the weeds in their cornfields without killing their corn. C) Roundup Ready corn produces its own herbicide, which would kill nearby weeds without the farmers having herbicides on their fields. D) Many farmers have problems with airborne Roundup drifting in from nearby farms, and Roundup Ready corn would be protected from such airborne herbicide.
Which statement about the disadvantages of bottled water is false?
A. Plastic bottles have a lifespan of hundreds of years in a landfill. B. Most plastic bottles are recycled. C. Enough plastic bottles are discarded annually to circle the earth 280 times. D. The withdrawal of water to make bottled water is depleting some aquifers. E. The manufacture and transportation of bottles releases toxic chemicals and greenhouse gases.
Chinook winds form on the leeward side of mountains
Indicate whether the statement is true or false