Calculate the distance between equator latitude 0 and ibadan 7.22n

Sandstones that form in aeolian (wind/desert) environments appear very different from other sandstones, such as those formed in a beach/ shoreline environment and in rivers on land. give three identifying properties for each of the three sandstones that would tell a geologist which depositional environment they formed in. consider things such as the relationship between transportation and grain size, shape, roundness, sorting, fossils and composition.

At which boundary does subduction stop occurring, resulting in a mountain range?

Which is a trait of a index fossil ?