Answer: The shortcomings of the experiment design is what the universe has no known limit to which it can grow. As for a balloon when enough air is put in, it will pop.
Explanation:
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Carbohydrates are the body's primary and most immediate source of energy.
This is because carbohydrates are broken down by an enzyme called carbohydrase into glucose. Glucose is the immediate energy source.
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Answer:
No to feel nervous is too feel the sense of feeling scared and has nothing to do with the nerves in your body
Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.
They can keep organ tissue alive for transplantation.
