That depends what exactly is in the "dirt" .
a gollon
An ounce is about 28 times heavier than a gram.
yes
Yes 1 kilogram = 35.27 ounces 1 ounce = 0.02 kilogram
A lot of things are denser than water. It depends on how much water you are using.
The egg is heaver per volume than the water.
Yes a football is heaver than a soccer ball.
We float or there is a possibility you can sink. You sink when you are heaver than the mass of the water. You float when you are lighter than the mass of the water.
it depends. Water pressure can effect the weight.
no
If it is heaver than water (or what ever liquid you put it in) it will sink. Lead will sink. A cork will float.
i don't think so. A fluid ounce represents the weight of an ounce of distilled water.