Apine forest on the coast is destroyed by a tsunami. after the tsunami small plants began to grow followed by some small trees and shrubs. eventually over a time period of 75 years, the pines return and over the next 25 years, oak trees replace the pine trees. in this scenario, what has occurred?

Secondary succession has happened.

Explanation:

secondary succession is the ecological succession that occurs after the initial succession has been disrupted and some plants and animals still exist. It is usually faster than primary succession

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

c. heat from the poles back down towards the equator.