A method of research in which a problem is identified.
<span>Seawater composition (by mass) (salinity = 35) Element Percent Element
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Answer:
Crossing over and random alignment of chromosones
Explanation:
Red and White blood cells:
These are produced by the stem cells in the bone marrow. There are two types of stem cells for producing white blood cells - Myeloid stem cells (producing phagocytes such as neutrophils and monocytes - the undeveloped version of macrophages) and Lymphoid stem cells (responsible for production of lymphocytes such as B and T cells).