Seafloor spreading occurs at which type(s) of plate boundary? a. transform b. divergent c. convergent d. divergent and convergent

The layers of earth are based on what two sets of characteristics?

Soil is made of air water organic material minerals weathered rock

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?