1 A) Greek philosophers made incorrect predictions. B) Greek philosophers did not publish their ideas. C) Greek philosophers did not test their ideas with experiments. D) Greek philosophers did not develop hypotheses about the world. 2 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602889/Figure_2_4.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (135.0K)</a>]]> A) Nitrogen in the air stays there forever B) Nitrogen in the air decomposes into another chemical element. C) Nitrogen in the air escapes into space. D) Nitrogen in the air reacts with other elements to form new compounds. 3 <![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078807239/602890/fig_2_10.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (19.0K)</a>]]> A) small, dense, and positive B) large C) small and negative D) large, light, and positive 4 A) electron B) neutron C) positron D) proton 5 A) The ray must be composed of charged particles. B) The ray must be composed of iron. C) The ray must have a positive charge. D) The ray must need to travel in a vacuum.
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