Answer:
you didnt put the web so I cant see
The lining of the back of eye containing two types of photoreceptor cells - rods - sensitive to dim light and black and white - and cones - sensitive to colour. A small area called the fovea in the middle of the retina has many more cones than rods.
I believe that a person would most likely become ill from overly acidic water because the water may contain toxic heavy metals.
Answer:
Viruses can only replicate themselves by infecting a host cell and therefore cannot reproduce on their own.
Explanation: