Heavy things fall, therefore "gravity"?
What nonsense. I could just as easily explain why things fall using density, and buoyancy.
"Gravity" is a theory, and a shitty one at that, given that there is no experiment that demonstrates any attraction between masses.
What causes buoyancy if not gravity? Why do dense things sink and less dense things rise if not for gravity?
Because heavy stuff goes down.
Why? Because it's heavy.
You think Newton was the first one to notice that things fall?
atomic Mass =/= gravity
density =/= gravity
bouancy =/= gravity, your argument that it does relies exclusively on the idea that "since i can't identify what does, it must be gravity"
take a liquid heavier then objects placed in it, add vibration, lighter then fluid object will still stay floating, if it was gravity it would sink, if gravity created buoyency then by interupting the effects of bouyency you would interupt the effects of gravity, since you don't when you do that, it's obvious one is not related to the other.
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