<span>Eyes are sensitive to light and when light falls on them, they transmit electrical signals to the brain. The lens in the eye focuses light falling on it, on to the retina. Depeding on the amount of light and distance of objects from the eyes, the lens changes shape to allow focus on objects at varying distances and this is called accommodation.</span>
I would have to say skin or hair
Answer:
Apitite
Explanation: Apitite has a hardness of 5 it can scratch flouride but Quartz has a hardness of 7 meaning it can scratch Apitite
Answer:
c
Explanation:
If you wanted to reduce health risks, why make more?