Which of the following is true regarding soil? Soil is an ecosystem because it contains many interacting biotic and abiotic components. Soil consists only of biotic components, so it is not an ecosystem. Soil consists only of abiotic components, so it is not an ecosystem. Soil is just "dirt" and would not be considered an ecosystem.

They both have rock surfaces

Because the earth is not round ,but it may seem round when viewed from ,our planet but true some points earth is not round was an oblate spheroid -a square that it squashed as globe however is not even a perfect oblate spheroid.in fact isaac newton's first proposed that earth was not perfectly round but it was an oblate spheroid instead.that mean a square that is squashed as its poles and swollen at the