A blood test would be useful to see any toxins intake throughout the blood stream.
Not sure but i think its plants
1. C. North Africa
2. D. Central Asia
<span>It says: </span>Prokaryotic cells<span> have a simpler structure than eukaryotic </span>cells.<span> Evidence shows that eukaryotic </span>cells<span> evolved from </span>prokaryotic cells.<span> ... </span>Prokaryotes<span> have metabolic functions that eukaryotic </span>cells<span> lack.</span>
B. nucleus which is the brain of a cell