Scientists have yet to prove that the current global warming trend is not part of the natural cycle of Earth. Many things are being done now, mostly focusing on emission controls placed upon industry and transportation.
Unconsciousness occurs when the brain shuts down in order to prevent any further damage to it.
Answer:
iris - b
cornea - f
lens - e
retina - c
photoceptors - b
optic nerve - h ( definately know dis one)
rod cells - e
pupil - a
cone cells -g
i tried
Explanation: