A community of different organisms interacting with one another and with their nonliving environment of soil, water, and other forms of matter is called
A. a species.
B. an ecosystem.
C. a population.
D. a lithosphere.
E. a community.
Answer: B
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Which type of economist views economic systems as subsystems of the biosphere that depend heavily on irreplaceable natural resources?
A. Neoclassical B. Ecological C. Environmental D. Classical E. Full-cost
Suppose that you saw clouds that were high in the sky and that looked like wispy strands of tattered cloth. An hour later, it started to rain. The clouds you noticed were
A) cumulonimbus clouds. B) alto stratus clouds. C) cumulus clouds. D) cirrus clouds.
What was the reason for installing a worldwide network of seismometers in the 1950s and 1960s?
A) to save human lives by predicting volcanic eruptions and earthquakes B) to study plate tectonic theory C) to monitor underground nuclear bomb testing D) to study mine blasts
The ____ of water helps cool the atmosphere
a. evaporation b. condensation c. conduction d. freezing