About our earth, they will learn about kinds of rocks, topography, land formations and sources that cause changes in the earth s surface, specifically, erosion, volcanoes and earthquakes.
(they; will learn; about kinds of rocks, topography, land formations and sources that cause changes in the earth s surface, specifically, erosion, volcanoes and earthquakes) (kinds of rocks, topography, land formations and sources; cause; changes in the earth s surface)
they kinds of rocks, topography, land formations and sources
will learn cause
about kinds of rocks, topography, land formations and sources that cause changes in the earth s surface, specifically, erosion, volcanoes and earthquakes
changes in the earth s surface