Which of the following will have the least impact on rising sea level?
A) melting of North America's continental glaciers
B) the Antarctic ice shelf collapse
C) melting of Greenland's ice sheet
D) melting of Eurasia's continental glaciers
E) melting of the floating polar ice cap
E
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Population size is increased by
A. births. B. deaths. C. indicator species. D. colonization. E. emigration.
Which of the following is the main form of intermolecular attractions among water molecules?
A. induced dipole-induced dipole B. polar-induced polar C. covalent bonding D. ion-dipole E. hydrogen bonding
Which of the following is accurate with regards to the balance of nature hypothesis?
a. It is currently viewed as the most accurate description of how ecological succession can arise at a climax community. b. It is the historically held equilibrium model of succession in which, once achieved, a climax community will be dominated by a few long-lived plant species. c. It suggests that there are always an appropriate number and diversity of producers to allow an ever-increasing number of primary consumers to inhabit a changing community. d. It suggests that the pathway of ecological succession is not predictable. e. It is an example of something that scientists were able to disprove conclusively.
Changes in daylength, the Sun's altitude above the horizon, and the Sun's declination over the course of the year
A) are phenomena that occur only at the equator. B) are factors that follow an irregular, random cycle. C) are responsible for the seasons. D) produce Earth's rotation.