Given the calculation: (6.49 x 10^7 ) x (7.1 x 10^5 ) = ? What is the answer reported to the correct number of significant figures?
A) 4.6079 x 10^13
B) 4.6 x 10^13
C) 4.6 x 10^2
D) 4.6079 x 10^2
B
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According to Jared Diamond, which region of the world had the greatest geographical advantages for diffusion of food production?
A) Eurasia B) North America C) Australia D) South America
Four of the following are ways that the pressure can be taken off of some endangered species. Which one is the exception?
A. Seed banks to allow retention of plant properties. B. Botanical gardens grow living endangered plants. C. Gene banks to preserve genetic information. D. Harvesting predators of endangered species. E. Raising endangered and threatened species on farms for commercial sale.
At many locations, the wind blows more frequently from one direction than from any other. The ____________________ is the name given to the wind direction most often observed during a given time period
Fill in the blank with correct word.
The dominant plant group in the Cenozoic Era is ________
A) exosperms B) methanogens C) angiosperms D) gymnosperms