It is lighter than water.
Were, with a capital.
An object will float on water if it has less density than the water. Or than any other liquid on which it is supposed to float.
Because they are constantly swimming against the current of a river where as sea otters float around...kinda.
The Mediterranean Sea in north-east Egypt.
The log flume is just a little engineered "river" to float the logs down an incline in. The flumes were mostly built of wood, and they extended for miles. There were some people who rode the logs along these flumes! A link is provided to the Wikipedia article on the log flume, and there is a nice pic from back in the day.
The Mississippi is longer then the Colorado River.
it flows in the Amazon river
A log? As in a log that came from a tree, right? If the density of water was decreased enough, such that it is now lower than a log's density, then the log would no longer float, but sink.
Buoyant means able to float. Adjective.
The Minnesota river that had a log jam in 1886 was the Mississippi River. Log jams were common during the early days of the logging industry in Minnesota because the river was used to transport logs from the forests to saw mills.
Pumice is able to float.
sharavati river