When rocks containing iron are exposed to water and the oxygen in the air, the iron in the mineral can form a new material that resembles rust.

glacial erosion, the picking up and movement of earth beneath a glacier, is also referred to as plucking. erosion and transportation of individual pieces of bedrock, especially large "joint block occur as a result of this glacial erosion. plucking is type of erosion in which rocks become frozen into the bottom and sides of the glacier.as the glacier moves downhill it 'plucks' the rocks frozen into the glacier from the ground.

the correct answer was location c, because earth is tilted away from the sun at this time