Answer:
It is Chemical
Explanation:
Mechanical digestion begins in the mouth as the food is chewed. Chemical digestion involves breaking down the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates.
Color blindness is (from what I've learned) <span> a genetic disorder that only males get because it is carried on by the y-chromosome. About females, I don't really know the point, but there are t</span><span>hree genes responsible for color vision lie in the rod cells of the retina and were discovered by Jeremy Nathans at Stanford during his graduate work in the laboratory of Lubert Stryer. </span>
The scientific term for the formation of a new species is speciation. So, the correct answer would be letter d. :)
A. I believe
sorry if wrong <333
