Each chemical element, each chemical compound is unique and interesting.
See the link.
Unique.
The shape is not a characteristic of chemical elements but is a characteristic of objects.
the unique characteristic of a rabbit was jumping, eating carrots...........
These elements are: - radioactive - dangerous - rare - expensive
there unique:)
One unique characteristic about the sun is its color. Another is the way it put off heat.
the color and name is the same.
Tails
adaptation
have electrical currents.
One unique characteristic of verbs is that they typically indicate action or state of being in a sentence. They can show when an action takes place, who is performing the action, and how the action is carried out. Verbs are essential for conveying the main message or idea in a sentence.
he was very mean and ruthless