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?

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]