<span>A chronic or persistent disorder of the mental processes caused by brain disease or injury and marked by memory disorders, personality changes, and impaired reasoning is considered progressive and irreversible, an acutely disturbed state of mind characterized by restlessness, illusions, and incoherence, occurring in intoxication, fever, and other disorders and coma have the potential for reversal, and depression and anxiety are reversible</span>
Answer: D. Ecosystems experience change through human activity and natural events.
Ecosystem undergoes change due to both human and natural events. The ecosystem and the humans are interconnected. The activities of humans will affect nature and by that the ecosystems usual routines are also affected by such changes.
The Atkinson - Shiffrin Theory. I hope this helps!
Answer:
I believe the answer is B. X-spongy;Y-marrow
