Seawater taken from an area with a large, growing plant population has a ________.
A. low O2 and low nutrient content
B. high O2 and high CO2 content
C. high O2 and low nutrient content
D. low CO2 and high nutrient content
E. None of these is correct.
Answer: C
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Which economic model would benefit carpet industries and reduce waste?
A. Leasing carpets, and then recycling and replacing them when they wear out. B. Selling carpets to homeowners who have to buy new ones every few years. C. Homeowners can collect scrap pet hair and weave their own carpets. D. Throw out all old carpets and install hardwood floors.
A former taxi driver from San Francisco led a successful community project to restore native wild salmon to the Mattole River on the north coast of California
He eventually convinced California Fish and Game to use his program to restore all coastal California river systems and reintroduce biodiversity to native salmon stocks. This is best described as an example of a. pure fantasy b. reconciliation ecology c. deep ecology d. biocultural restoration e. biocultural ecology
The status of women is a cultural spatial variable because:
A) women are found all over the world B) gender relationships and role assignments differ among societies C) women are biologically different from men D) women do different kinds of work
Which of the following types of RNA is important in controlling gene expression?
A) mRNA B) siRNA C) snRNA D) tRNA