☁️<u>My Answer☁️</u>:
The two things that identify something has matter are, physical and chemical properties.
⬇️
<u>✫Definitions✫:</u>
A physical property is an aspect of matter that can be observed or measured without changing its chemical composition.
A chemical property is a characteristic of a particular substance that can be observed in a chemical reaction.
<u>☼Examples of some major chemical properties☼:</u>
- Flammability
- Toxicity
- Heat of combustion
- pH value
- Rate of radioactive decay
- Chemical stability.
<u>❅Examples of physical properties❅:</u>
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<u>I hope this helped you,</u>
<u>And I do hope you enjoy the rest of your day! (ɔ◔◡◔)ɔ ♥</u>
-Kirby ★ ツ ✌
<span>simple organic molecules can form spontaneously under conditions like those thought to prevail early in Earth's history</span>
Sensory receptors is the answer I found
The border between the
transparent edge of the cornea and the white of the fibrous sclera is the limbus.
The limbus contains clusters of limbal stem cells that help to maintain the corneal
epithelium and to regulate corneal transparency and vision throughout life. The
limbus also acts as a boundary that protects the conjunctiva and its blood
vessels.