Composite volcanoes are also known as ____________________ and are composed of both
____________________ flows and ____________________ material Fill in the blank(s) with the appropriate word(s).
stratovolcanoes, lava, pyroclastic
stratovolcanoes, pyroclastic, lava
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When Hudson kicks a can, he exerts a greater force on the can if it is
A. heavy. B. light. C. heavy or light makes no difference. D. none of the above
True or False: The scientific method is a description of how scientists measure natural phenomena and rigorously test new ideas about how some part of the natural world works
Indicate whether this statement is true or false.
Hydroelectric power generation ________
A) is an alternative to fossil fuels that produces fewer greenhouse gases B) uses fuel cells to generate electricity C) has no undesirable environmental effects D) produces pollutants that contribute significantly to acid precipitation E) produces high quantities of greenhouse gases
Salvador, Brazil is located at 13° S (and at an elevation of 9 m). Based on its latitudinal position, which of the following likely best describes its temperature?
A) Seasonal variations of temperature are most pronounced in the summer. B) Summers are exceptionally hot, but winters are typically quite mild. C) Cool and mild temperatures predominate throughout the year. D) Temperatures can range from -10°C (14°F) in the winter to 21°C (70°F) in the summer. E) The temperature is consistently high throughout the year.