Draw a diagram of the layers of Earth's atmosphere, including height in kilometers. Next to the label of each layer, include a brief description of that layer's composition and temperature. (2 points)

Its either a) or b),wind and water erosion gradually widen the canyon

Ichoose a as my answer

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

C. a mature ovule of a plant.