Type of mine that uses a horizontal opening in a hill or mountain

What two properties affect the density of ocean water

Solve the equation.8 - 2x = -8х + 14

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