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What is the major cause of chronic respiratory disease as well as cardiovascular disease and cancer?

asked Jan 7 in Science by CharlesEscam (390 points)

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What is the distance that sound waves travel in a given amount of time called?

asked Jan 6 in Science by DominikCarro (770 points)

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What is found at the top of the stamen?

asked Jan 6 in Science by BuckForro541 (490 points)

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What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?

asked Jan 6 in Science by FredricPalum (550 points)

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What is the angiosperm seed surrounded by?

asked Jan 6 in Science by Mitchell1906 (330 points)

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What is a renewable resource that can take thousand of years to form?

asked Jan 6 in Science by ClairePresto (330 points)

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What increases in processes in which solid or liquid reactants form gaseous products and when solid reactants form liquid products?

asked Jan 6 in Science by AnkeSon38062 (310 points)

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What is the main sex hormone in males called?

asked Jan 7 in Science by Elissa821461 (290 points)

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What is the jelly-like material in which the contents of the cell are suspended?

asked Jan 7 in Science by RodneyC3252 (250 points)

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What is observed when two perpendicular flagella moves?

asked Jan 6 in Science by IMBDominik40 (430 points)

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What celestial bodies are born in clouds of gas and dust called nebulas?

asked Jan 6 in Science by LavonneBray (720 points)

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What is another term for the voice box?

asked Jan 6 in Science by VickieFriedm (230 points)

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What does continental crust grade into at continental margins?

asked Jan 6 in Science by Francis08376 (410 points)

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What does burning wood release into the atmosphere?

asked Jan 6 in Science by ReneeJuergen (490 points)

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What is the inner cell mass formed by the cells of the blastocyst called?

asked Jan 7 in Science by RichelleGros (510 points)

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What is necessary for organisms to survive in the deepest parts of the ocean?

asked Jan 6 in Science by LupeBeane933 (630 points)

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What is named after the type of enzyme they interact with in the cell?

asked Jan 6 in Science by BrennaRounds (610 points)

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What happens to the electrical conductivity of metals when placed in a pot of boiling water?

asked Jan 6 in Science by YolandaBeard (430 points)

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What decreases with the loss of subsequent protons?

asked Jan 6 in Science by ShanonT4810 (430 points)

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What begins when an oogonium with the diploid number of chromosomes undergoes mitosis?

asked Jan 6 in Science by PasqualePurv (680 points)

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