Astronomers currently estimate the internal temperature of the Sun at 1500°C
Indicate whether the statement is true or false
FALSE
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Magenta light is really a mixture of
A) red and blue light. B) red and cyan light. C) red and yellow light. D) yellow and green light. E) none of the above
Which of the following best matches the description?Resources that are not replaced by natural processes.
A. renewable energy sources B. passive solar system C. active solar system D. black lung disease E. photovoltaic cell F. resources G. reserves H. nonrenewable energy sources I. liquefied natural gas J. acid mine drainage K. secondary recovery L. geothermal energy M. overburden N. underground mining O. surface mining
What causes downwelling?
a) Cold-core ring rotations downward b) El Niño moving South and mixing surface waters c) Marine life going to the bottom of the ocean to find food d) Convergence of surface currents
_____ contains the most proven reserves of oil in the world, while _____ consumes the most
a. Mexico; Japan b. Kuwait; France c. Venezuela; the United States d. The United States; the United States