layers
how are layers form
what is rock layers
how do you find how old fossils are
what are layer
how do find layer
what is the crust
9+10
21
how many layer are there on earth
what is the crust,mantle,outer core,inner core
what color is a carrot
a carrot i think a carrot um i think carrot
who discover earth layers
who is sir isaac newton
name all three tectonic plates
divergent, convergent, and transform
how do volcanoes happen
convergent
if you dig a 6 feet hole how deep is the hole
20 feet