C. South Africa goes through another economic recession
The population had a short increase, then a more sustained decrease. it has to do to their beak depths.
It’s was caused by the volcanic mountain
Answer:
Angular unconformity
Explanation:
An angular unconformity is the contact that separates a younger, gently dipping rock unit from older underlying rocks that are tilted or deformed layered rock. The contact is more obvious than a disconformity because the rock units are not parallel and at first appear cross‐cutting. Angular unconformities generally represent a longer time hiatus than do disconformities because the underlying rock had usually been metamorphosed, uplifted, and eroded before the upper rock unit was deposited
