Nothing but if the pebble is raw it can have changes in size the longer it stays in a liquid.
The smallest type of rock is a pebble. A pebble can be made out of most rocks and is the size of a marble.
Yes
It is not necessarily any of these, as "pebble" describes a grain size and does not say anything about composition. In most cases, though, a pebble is a mixture.
4
6.4 centimeters in diameter.
No.
Pebble larger than clay
A pebble is smaller than gravel. Pebbles are generally between 2-64 millimeters in size, while gravel typically ranges from 2 to 75 millimeters.
The weight of a pebble can vary depending on its size and type of rock. On average, a small pebble might weigh around 0.5 to 1 ounce.
Zero. By definition a meteoriod cannot hit the earth. On a meteoriod enters the atmospehe it becomes a meteor amd when it hits the earth it is a Meteorite.
No, a meteoroid is typically much larger than a pebble. Meteoroids can range in size from small grains of sand to large rocks several meters in diameter.