Why would having both polar and nonpolar properties in a protective boundary be advantageous for the cell?

i'd say that the moon rock is about 2.2 billion years old.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.