Diatoms are planktonic organisms with skeletons made of ________. Fill in the blank(s) with the appropriate word(s)
silica
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Which of the following best illustrates the sustainable use of a resource?
A) Coal mines in West Virginia remove the tops of mountains to extract large amounts of coal. B) Fishing industries improve their methods and now remove more than 90% of the fish in a region. C) Huge windmills in Texas are able to capture 50% of the wind energy in a specific region. D) Corporations are converting their company automobiles from gasoline to cheaper natural gas.
The IPCC stands for
a. International Panel on Climate Change. b. Intentionally Produced Climate Change. c. International Publicity for Climate Change. d. International Politics of Climate Change. e. International Policy and Course Correction.
When a hydrogen atom (the positive end) in one water molecule is attracted to the oxygen atom (the negative end) of an adjacent water molecule, a covalent bond forms
Indicate whether the statement is true or false
The same cold front typically produces more rain over Kentucky than over western Kansas
a. True b. False