Is this animal cells and plant cells?
<span>D) The thrust of the air propels the balloon in the opposite direction.
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Answer: bone marrow
Explanation: Bone marrow is the soft, spongy tissue that is located in the medullary cavities (centers) of certain large bones. Healthy bone marrow is an essential part of the body, as it contains stem cells that produce blood cells and the cells that make up the immune system.
Mendel realized that the principles of probability could be used to predict the results of genetic crosses.