Yes
Nothing but if the pebble is raw it can have changes in size the longer it stays in a liquid.
No, the frequency of waves caused by a pebble in water will vary depending on the size and shape of the pebble, as well as the force with which it is thrown. Different disturbances will result in different frequencies of waves.
no
The smallest type of rock is a pebble. A pebble can be made out of most rocks and is the size of a marble.
No, picking up a boulder is not the same as picking up a pebble. A boulder is much larger and heavier than a pebble, so it requires more strength and effort to lift. Additionally, the size and weight difference mean that the impact on your body is also greater when lifting a boulder compared to a pebble.
Yes, as long as temperature is the same.
Much smaller.
No, Dalton did not say that all atoms are the same size. Instead, Dalton proposed that all elements are composed of indivisible particles called atoms, and that atoms of different elements have different sizes and properties.
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.
An isotope of an element.