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:
I this this is the answer hope it helps :)
Explanation:
D. Chemical bonds in food molecules are broken, releasing energy and allowing cells to use the energy to make ATP.
The force that attracts all matter to each other is gravity, i believe.
The build up of lactic acid will need oxygen to break it up. Lactic acid is why muscles feel tired after excess exercise
