Wherever civilizations have flourished, forests have been destroyed. hundreds of years ago in england, rivers and seaports began to fill with silt after the forests were destroyed. what caused the silt to fill the seaports? f )erosion g) succession h) irrigation j )eutrophication

Erosion

Erosion is the unfolding of interior methods such as water flow which eliminates soil, stone or suspended material from one place on the Earth's shell, and then carries it to another place.  In accordance with these factors, depletion is sometimes classified into snow, glacial, water, wind Aeolic erosion. This general process is performed by the productive movement of erosive agencies, that is, water, wind, flowers, mammals,  ice glaciers, snow, air, and individuals.

five mass extinctions

Explanation:

Since the first organisms appeared on Earth approximately 3.8 billion years ago, life on the planet has had some close calls. In the last 500 million years, Earth has undergone five mass extinctions, including the event 66 million years ago that wiped out the dinosaurs.Hope it helps:)