The right answer is C.invention
Contact lenses are placed directly on the surface of the eye to correct your eyesight.
They can correct myopia and hyperopia. They can also correct age-related astigmatism and hyperopia (presbyopia).
Their principle is the same as for glasses: they bend the light and redirect it to your retina to improve your eyesight.
Answer:
All of those answer are correct.
Answer:
protein
Explanation:
a specific protein tht functions in one or more types of cells in the body.
Is there any optional answers?
Answer:
The damage to ozone layer is done by halogens such as Chlorine and Bromine.
