Geologists use circles to find the epicenter of an earthquake what does the radius of each circle represent

When a rock is mechanically weathered, the surface area of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is increased, which hinders chemical weathering. the volume of the rock is decreased, which hinders chemical weathering. the volume of the rock is increased, which allows a greater amount of chemical weathering to occur. the surface area of the rock is decreased, which allows a greater amount of chemical weathering to occur

What was the main purpose of the "four freedoms" speech?

Deposition is a a. destructive event b. constructive event c. destructive process d. constructive process