Ridley Park is a borough in Delaware County, Pennsylvania, United States. The population was 7,002 at the 2010 census. Ridley Park is the home of The Boeing Company's CH-47 Chinook helicopter division.[4]
10. Contaminated surface water can eventually enter groundwater and contaminate it. 11. Depending on the type of soil or rock, groundwater will flow at different rates. 12. Rain and snowmelt infiltrate (seep) into the ground to become groundwater. 1. False.
Surface Waves. Waves are the most familiar water motion. The surface of the ocean is constantly moving, in response to local seas and to swells from distant storms. Seas result from winds pushing the water into random patterns of ripples and bumps, creating jumbles of many periods and heights interacting and breaking.