It can affect the environment a little because it is explaining what it can do over the time when the evolution grows
Hope this helps :)
It may or may not turn acidic depending on the area or time of the year it is.
None of the above? I’m guessing, secondary, primary and tertiary doesn’t sound right !
Once retinal has absorbed a photon which initiates effects that create nerve impulses, the impulses get carried to the brain, which then processes the impulses along with other signals, ultimately allowing the eyes to see.