Determining specific, quantitative dates for rock units or events expressed in years before the present is known as
____ dating.
a. relative
b. absolute
c. sedimentary
d. correlative
e. blind
b
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NGOs such as UNCCD have resulted in programs in India and Africa to
A) work with village landowners in the roles of "farmer experimenters" in developing local sustainable agricultural techniques. B) bring Green Revolution technologies to urban gardeners. C) help local farmers find international markets for their produce. D) have increased erosion through misguided advice on soil conservation.
All of the following is true about biofuels, except:
A) living matter is fermented for fuel B) Brazil is a major exporter of biodiesel C) ethanol is made from sugarcane D) biofuel drives deforestation E) wind power is more sustainable
Human height and skin color show a gradation of traits. Both are examples of
A. pleiotropy. B. codominance. C. polygenic traits. D. incomplete dominance.
A stable, long-established community is known as ________
a. a succession b. a climax community c. a habitat d. a niche