The answer should be B because the central nervous system is the spinal cord and brain.
The statement that best describes the negative impact of human water use is: <span>Increased runoff carries fertilizers. Fertilizers create algae in streams and rivers, causing large "dead zones".</span>
Answer:
Mechanical digestion involves physically breaking down food substances into smaller particles to more efficiently undergo chemical digestion. The role of chemical digestion is to further degrade the molecular structure of the ingested compounds by digestive enzymes into a form that is absorbable into the bloodstream.
Answer:
B. Pink
Explanation:
When you mix red and white you get pink.