Because you are propelling yourself through the water
bc they are swimming
yes
wear a bunch of heavy stuff
So you don't sink.
Horses don't sink because they are very good swimmers. They look much like a dog when swimming.
It is called holding breath so that one can not sink while swimming.
If sharks stop swimming,then they sink, but the nurse shark is an exception
I assume you are talking about the sticks that sink. We call them sinkers.
No they do not float they sink right to the bottom so if I was you I wouldn't use them to go swimming with.
Bats are mammals and do not float. They have a higher density than water, so they will sink if they come in contact with it. Bats are not adapted for swimming and are not equipped to stay afloat on water.
Whether an object sinks or floats depends on the objects buyoncy. If an object has a higher buoyancy then water it will generally sink, and less it will float.
It would cause excessive mud and the swimming pool would sink slightly. It would only cause a sinkhole if there was a hole underground under the pool.