Biology, 28.01.2020 22:03 rhettperkins
One percent of the atmosphere is gases. variable , oxygen, trace, primary
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Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia
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What happens when a plant is losing too much water through transpiration? question 14 options: stomata open stomata close guard cells swell respiration increases
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How secretion and excretion both are different? explain in simple language.
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Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form
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One percent of the atmosphere is gases. variable , oxygen, trace, primary...
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