To what extent was Hurricane Katrina a natural disaster? To what extent was it caused by humans?
What will be an ideal response?
The hurricane, itself, was a natural disaster. However, by the time it made landfall, it was a category 3. Most of the damage resulted from the breech of levees, causing inundation of the low-lying parts of the city. In this regard (and the decision to build in a low-lying, hurricane prone area), made this very much a human-made disaster.
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Which of the following is a location in which flood basalts erupted?
A) Columbia Plateau B) Texas Gulf Coast C) Hawaii
An igneous rock that shows a vesicular texture ________
A) contains many small holes, like Swiss cheese B) must be intrusive C) must be course grained D) appears glassy
Harmful algal blooms (HABs) are always associated with toxins.
Answer the following statement true (T) or false (F)
In the formation of an acetal from an aldehyde, one mole of aldehyde requires which of the following as a coreactant?
A) one mole of alcohol B) two moles of alcohol C) one mole of alcohol and one mole of water D) two moles of water