What is permeability and how does it relate to soil

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Acontinental polar air mass foms in

17. the soil erosion pictured here is the result of what? a. harvesting renewable resources at a rate greater than the sustainable yield b. a mudslide caused by excessive rains c. harvesting renewable resources at a rate lower than the sustainable yield d. the transition between geologic eras and eons