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What spreads sti during sexual contact?

asked Jan 7 in Science by JaunitaGoose (430 points)

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What takes over the synthesis and secretion of progesterone throughout pregnancy as the corpus luteum degenerates?

asked Jan 7 in Science by KiaraE390395 (590 points)

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What might arthropods use as legs for walking?

asked Jan 7 in Science by AleciaBussel (430 points)

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What is the term for the relationship in which one species benefits while the other species is harmed?

asked Jan 7 in Science by MarquisSleep (350 points)

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What is the term for force that opposes motion between any touching surfaces?

asked Jan 7 in Science by RosalindOste (450 points)

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What measures the amount of water in the air?

asked Jan 7 in Science by Moses0481984 (570 points)

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What measures exactly how much gravity is pulling on something?

asked Jan 7 in Science by EzraNobbs908 (470 points)

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What is the process in which a liquid changes to a solid?

asked Jan 7 in Science by MadgeLemberg (310 points)

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What system is the brain the control center of?

asked Jan 7 in Science by EsperanzaAur (510 points)

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What is the name of the tube that carries sperm from the epididymis to the urethra?

asked Jan 7 in Science by StormyJobson (370 points)

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What shape is the orbit of a planet?

asked Jan 7 in Science by ArmandRolles (530 points)

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What is the modern periodic table based on?

asked Jan 7 in Science by EYOBarb84915 (430 points)

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What system gets less effective with age, that generally makes older people more disease susceptible?

asked Jan 7 in Science by CoraJuan8100 (290 points)

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What occurs when nature reclaims areas formerly occupied by life?

asked Jan 7 in Science by Charli07L244 (530 points)

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What part of the brain is divided from front to back into the left and right hemispheres?

asked Jan 7 in Science by BernadetteGi (350 points)

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What is the term for the hard covering that protects insects, crustaceans, and spiders?

asked Jan 7 in Science by ImaSchardt52 (390 points)

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What is the first phase of mitosis?

asked Jan 7 in Science by VCSKarol0571 (390 points)

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What is the method of setting or correcting a measuring device by matching it to known measurement standards called?

asked Jan 7 in Science by LashayFonten (630 points)

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What is the primary energy source for cells?

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What part of earth do many animals use for navigation?

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