Which tectonic process can most directly form an ocean trench?

They are formed by Convehent plate boundaries

Tectonic plate convergence; when two places converge with one another.

It is useful for historians to write narratives so that history can be passed on from their point of view.  think about a story being told in third person, then think about it again being told in first person, by someone who actually experienced the event.

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.