Answer:
the answer would be The first one ir Valence Electrons
Answer:
cells prepare for cell division
Explanation:
Alzheimer's disease<span> is the most common cause of dementia. The word dementia describes a set of symptoms that can include memory loss and difficulties with thinking, </span>problem<span>-solving or language. These symptoms occur when the brain is damaged by certain </span>diseases<span>, including </span>Alzheimer's disease