so they dont drown
Neither. The platypus's burrow is dry earth, dry soil. They do not burrow in sand as it will not support the tunnel. Neither do they dig in mud. Their burrow is dug above the waterline of a creek or river, and remains dry inside.
South River, NJ has an average elevation of about 46 feet above sea level.
500 ft above sea level
no the ocean is much higher than a river. common sense. I think a river is above sea level cause they run in to the sea or ocean not the other way.
The Kansas river runs through Kansas City, Kansas. At river level the altitude is approximately 800 ft above sea level.
In the middle course, the River Tees is typically around 100 to 200 meters above sea level.
347 m above sea level
The land along the Mississippi River has an elevation of 0 to 500 feet above sea level.
The elevation at the source of the Mohawk River is 920 feet above sea level. It flows steadily southeast until it reaches the Hudson River where the elevation of its mouth is 10 feet above see level.
17.28'
Charles Mound, located in northwestern Illinois, has the state's highest elevation at 1,235 feet above sea level. The lowest point in Illinois is on the Mississippi River at 279 feet above sea level.
Where the exhausted. drained off and abused and used up Colorado River flows into Mexico at an elevation of 70 feet above sea level at a mere trickle. Take a raft ride down the Grand Canyon and experience it force volume and might and then watch as it barely seeps into the Sea of Cortez.