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.
Answer:
Weather
Explanation:
Weather is the the state of the atmosphere at a particular place and time as regards heat, cloudiness, dryness, sunshine, wind, rain, etc.
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The mitochondria! (Which is the powerhouse of the cell)
Nitrogenous base, sugar and phosphate
Letter B is the correct option
