It is simple. When a person cups their hand and brings it towards themselves they are creating resitance to the water and are propelled forwards if they are kicking their feet while parallel to the bottom of the pool, lake, ocean ect. ect.
A supine float is floating in the water on your back with head above water.
A cork has a low density. It is lower then water. That causes it to float.
Because it is denser than you
You float face down in the water. You only move to get air.
humans i think.
Because it has air in it. Air weighs less than water therefore air floats.
Yes, swimming is a natural activity for humans. Babies are born with an instinctive ability to hold their breath and paddle in water, known as the mammalian diving reflex. With proper instruction and practice, people can swim efficiently and safely.
by swimming and walking and running, and they can float on water
Learning swimming without water is not possible as swimming is a physical activity that requires being in water to practice and develop the necessary skills.
The flesh of the blobfish is primarily a gelatinous mass with a density slightly less than water; this allows the fish to float above the sea floor without expending energy on swimming.
its do do with how much oxyen we have inside us
The density of all water is 1, no matter the amount or location. Humans have the density of 0.9, so humans barely float in all bodies of water.