I belive the answer is all of the above
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:
Diffusion
Explanation:
Diffusion is a passive process of transport. A single substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space.
Answer: Plants do both photosynthesis and cellular respiration.
Explanation:
All cells do cellular respiration even without light.
Honestly, photosynthesis alone would be right since the teacher didnt state the questions correctly. But you should choose both cause in the light it does both.