If a substance is not able to be separated by physical means but is able to be separated by chemical means, it is a compound.
Huntington’s disease is caused by a defect in the genes, and it can be inherited. A. True
<span>Carve a new path in the landscape to diverge the lava or spray water on it if its near a river to cool it down
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Answer:
a long rodlike structure that develops dorsal to the gut and ventral to the neural tube. The notochord is composed primarily of a core of glycoproteins that are encased in a sheath of collagen fibers wound into two opposing helices.
I'm pretty sure the answer is D
