Ecologists are unsettled on whether or not any truly commensal interactions among organisms take place or not because it depends on the kind of organisms. When a bird makes a nest in a tree and lays eggs, the eggs are definitely safe. This procedure does not harm the tree directly, but it can stop the sunlight from reaching some parts of the tree. This actually shows that the bird has benefited from the situation but the tree has lost out.
The average space between molecules is about 30 angstroms or 3 nm.
Explanation:
Atomic spacing refers to the distance between the nuclei of an atoms in a material.This space is large compared to the size of atomic nucleus and is related to the chemical bonds which binds together.
The Atomic spacing is defined by using laws of diffraction and by passing electromagnetic waves called frequency through the material.
Gas is a state of matter that has no fixed shape and no volume.
Its found in the hydrosphere.