What causes hot springs?
A) extreme kinetic energy and pressure from emerging water
B) deep circulation of water
C) proximity to tectonic action
D) proximity to magma
Answer: D
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Select the choice that correctly states the best priority for use of non-renewable resources, such as metals and plastics, from the environmentally sustainable perspective
a. recycle, reuse, reduce b. reuse, reduce, recycle c. reduce, reuse, recycle d. reduce, recycle, refuse e. repurpose, recycle, remake
What were the key phases of colonial expansion during the rise of the Russian Empire, and how did each enlarge the reach of the Russian state?
What will be an ideal response?
Coral reefs
A) require water that is high in sediment concentrations. B) are made of animals living symbiotically with simple algae. C) tend to occur poleward of 30° N/S. D) survive in a broad ecological range because they are tolerant of temperature, salinity, and depth variations. E) are found primarily in deep oceans.
The restoration of an ecosystem that involves allowing invasive species to thrive in order to contribute to the ecological series in a damaged environment is called ________.
A. an incomplete ecosystem B. a non-native ecosystem C. a mixed ecosystem D. a novel ecosystem