A social movement dedicated to protecting the earth's life support system for all forms of life is called ____________________.
Fill in the blank(s) with the appropriate word(s).
environmentalism
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A coin and a feather have equal accelerations when falling in a vacuum because
A. they have unequal masses but equal weights. B. the force of gravity on both is the same. C. both of these. D. none of the above
Several national capitals in Europe, for example Oslo, Stockholm and Helsinki, sit less than 7 degrees of longitude south of the Arctic Circle, yet they have temperate climates. How is this possible?
A. Europe is situated at the epicenter of global warming processes. B. Industrialization started in Europe, so the urban heat island effect is more pronounced. C. Geological processes result in significant volcanic activity, especially hot springs, which release heat to the atmosphere. D. The North Atlantic Drift transfers tropical warmth northward.
Microscopes and telescopes are most commonly used to do which of the following?
A) Extend our senses B) Help control experimental environments C) Quickly measure great quantities D) Manipulate large quantities of materials
The daily temperature curve exhibits a lag of about three hours relative to the insolation curve
Indicate whether the statement is true or false