<span>The primary psychosocial milestone of childhood is the positive development of self-concept. This usually begins at 18 months, but continues throughout childhood. Self-concept is simply how one views oneself and one's abilities.</span>
Answer: Matthias Schleiden
Answer:
A growing and dividing cell goes through a series of stages called the cell cycle. The first stages of the cell cycle involve cell growth, then synthesis of DNA. The single strand of DNA that makes up each chromosome produces an exact copy of itself. The cell undergoes a type of cell division called mitosis.
A bull dozer would most likey be correct
Coal is not a mineral because it is organic, and minerals are inorganic.<span> It forms over millions of years from the compressed, heated remains of dead plants and animals.</span>