-How did Earth and other planets form? ... -What happened during Earth's -"Dark Age," or the first 500 million years after it formed? ...
-How did life begin? ...
-How does Earth's interior work, and how does it affect the surface? ...
-Why does Earth have plate tectonics and continents?
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How much water is in the ocean in cubic kilometers

What type of coastline is commonly found along the western side of the america’s

Astate's representation in the u.s. senate is based on a) equal representation. b) the state's population. c) the state's electoral votes. d) the size of their major cities.this independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren cthis independent regulatory agency was created in 1974 to oversee and regulate the financing of political campaigns in the united states. a) warren commission (wc) b) federal election commission (fec) c) equal opportunity commission (eoc) d) securities and exchange commission (sec)