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Here is basic information: "Stem cell therapy for the heart; several different types of approaches are being used to repair damaged heart muscle with stem cells. The stem cells, which are often taken from bone marrow, may be inserted into the heart using a catheter. Once in place, stem cells help regenerate damaged heart tissue
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A. The magma cooled too quickly too quickly for gas to escape.
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Scoria is a type of extrusive igneous rock. Some of their characteristics include that they cool quickly with no time for large crystals to form, some of them have large vesicles which are holes caused by gas bubbles when the lava was molten.
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Explanation:
methods produce new plants from vegetative parts of the original plant, such as the leaves, stems and roots. These
Mendelian disorder is the known disorder of a single gene