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Where is the pressure of gases in the atmosphere at its greatest?

asked Jan 8 in Science by MayraCrowthe (480 points)

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When flagellated sperm must swim to the egg, sexual reproduction requires the presence of what substance?

asked Jan 8 in Science by BelenIevers8 (310 points)

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What type of energy is useful to humans because it's ease of transport and conversion to other forms of energy?

asked Jan 8 in Science by AndySchnell9 (470 points)

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Which organelle is made up of 5 to eight cup shaped, membrane covered stacks of discs known as cisternae?

asked Jan 8 in Science by MadisonFaria (430 points)

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Why can't fungi make their own food like plants do?

asked Jan 8 in Science by RafaelaHuonD (390 points)

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Which lipid is mainly responsible for narrowing arteries and causing the disease atherosclerosis?

asked Jan 8 in Science by LeopoldoMull (470 points)

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Which theory explains how materials can collide and become new materials?

asked Jan 8 in Science by Janette45158 (450 points)

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Which organ protects the body from injury, water loss, and microorganisms?

asked Jan 8 in Science by EdwardoJeffe (530 points)

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Which organ is a wide tube connecting the small intestine with the anus?

asked Jan 8 in Science by SilviaAllard (470 points)

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Which fuels provide most of the world’s energy?

asked Jan 8 in Science by EmilSummerli (510 points)

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What term refers to a wall or partition that divides the heart into chambers?

asked Jan 8 in Science by JamesDumolo6 (330 points)

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Which law explains why a ship weighing thousands of metric tons floats on water?

asked Jan 8 in Science by BrittnyKenne (590 points)

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Which temperatures cause particles of reactants to have more energy?

asked Jan 8 in Science by FranklinGist (630 points)

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Which factor ruins renewable resources like soil and water?

asked Jan 8 in Science by RandellQueza (390 points)

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What substance comes toward earth's crust through mantle plumes?

asked Jan 7 in Science by BraydenPlume (310 points)

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Whose rules are too simple to explain the inheritance of human height?

asked Jan 8 in Science by Twyla390140 (390 points)

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Which elements fall between metals and nonmetals in the periodic table?

asked Jan 8 in Science by RodolfoWimbl (610 points)

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Where do the majority of arthropods live?

asked Jan 8 in Science by CheriS107730 (530 points)

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What type of plants grow on other plants?

asked Jan 8 in Science by KatiaEthridg (610 points)

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What type of diseases in humans are caused by protozoa?

asked Jan 8 in Science by ElijahSpeddi (270 points)

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