Answer:
Many parts of the cardiovascular system (including the heart) are influenced by gravity. On Earth, for example, the veins in our legs work against gravity to get blood back to the heart. Without gravity, however, the heart and blood vessels change – and the longer the flight, the more severe the changes.
The answer is B. Scientist repeat the experiments in order to prevent bias.
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The substance is the chemical food source for the soybean plants is glucose. A soybean plant uses cellular respiration to generate usable chemical energy, released within the cell as molecules of <span>carbon dioxide.
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they used Franklin's x-ray picture and data as well as other mathematical data to determine the specific structure of the DNA double helix. Compare and Contrast the structure of prokaryotic and eukaryotic chromosomes.
