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Which of these is a body fossil a. dinosaur nest b. shrimp burrow c. leaf imprint d. claw print
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Abird flies by moving its wings up and down. which two systems are most directly responsible for the movement of a bird's wings? a. skeletal and muscular systems b. respiratory and muscular systems c. skeletal and digestive systems d. respiratory and digestive systems
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The united states uses which source of energy to produce almost 40 percent of its electricity
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Biology, 22.06.2019 17:30
Aquantity of gas has a volume of 18 m3 and an absolute temperature of 225 k. when the temperature of the gas is raised to 380 k, what is the new volume of the gas? (assume that thereβs no change in pressure.)
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Which of these is a body fossil a. dinosaur nest b. shrimp burrow c. leaf imprint d. claw print...
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