Solar energy is known as a(n) ____.
A. renewable resource
B. recyclable resource
C. inexhaustible resource
D. reusable resource
E. nonrenewable resource
Answer: C
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In which way has the U.S. been directly responsible for exporting much of their pollution and waste to poorer countries?
A. by moving polluting factories to the poorer countries B. by importing polluting technologies from poorer countries C. by passing laws that restrict the release of toxic chemical into the U.S. environment D. by insisting that the environmental quality of the U.S. be improved
The difference between a groin and a jetty is that
A) a jetty is longer than a groin. B) a groin is higher than a jetty. C) a groin is perpendicular to the shoreline and a jetty is parallel to the shoreline. D) a jetty is perpendicular to the shoreline and a groin is parallel to the shoreline.
Which of the following best defines boiling point?
A) The temperature at which a solid changes to a gas B) The temperature at which a liquid changes to a gas C) The temperature at which a liquid changes to a solid D) The temperature at which a solid changes to a liquid
What distinguishes the Earth's inner and outer cores?