Describe two ways of creating new attributes from the existing attributes in a data set.
What will be an ideal response?
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What unique feature do all echinoderms have?
a. Water vascular system b. An expelling stomach c. A complex chewing jaws d. Brains
Clean-up efforts for oil spills are often as destructive as the oil spill.
Answer the following statement true (T) or false (F)
The phrase "ecosystem capital" is better than the phrase "natural resources" because ecosystem capital includes
A) both the ecological and economic value of natural ecosystems. B) only the economic value of an ecosystem's goods and services. C) only the ecological value of natural ecosystems. D) neither the economic nor the ecological value of an ecosystem's goods and services.
The ions in the ionosphere come primarily from oxygen and nitrogen
Indicate whether the statement is true or false