During a football game an offensive lineman is hit in the legs from the side. upon examination by the physical trainer it was determined that the player has a dislocated knee. there was a significant amount of damage to the entire knee joint. what is the main muscle, tissues, and membrane that would have been damaged?

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.