1.
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078617618/165465/523_696_q1.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"> (36.0K)</a>]]>
A) It expanded. B) It become warmer. C) It shrank. D) It melted. 2.
A) Pluto B) Mercury C) Venus D) Jupiter 3.
A) Mercury B) Pluto C) Mars D) Saturn 4.
A) sunspot maxima and minima B) condensation of a nebula C) formation of a crater D) formation of a black hole 5.
A) Mars B) Neptune C) Venus D) Jupiter 6.
A) between Earth and Mars B) between Uranus and Neptune C) between Mercury and Venus D) between Mars and Jupiter 7.
A) Galileo Galilei B) Albert Einstein C) Johannes Kepler D) Nicholas Copernicus 8.
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078617618/165465/523_720_q8_q9.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"> (12.0K)</a>]]>
A) 12,583 km B) 23,122 km C) 1,348 km D) 6,794 km 9.
<![CDATA[<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/0078617618/165465/523_720_q8_q9.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"> (12.0K)</a>]]>
A) a uniformly thick crust B) a solid mantle C) an iron-rich core D) an iron-rich crust 10.
A) asteroid B) comet C) meteorite D) meteor
.
