Master Biology with Fun Quizzes & Brain Teasers!

Water pollution control came about as a result of _______.a.public protest of the condition of the Cuyahoga Riverb.the Cuyahoga River fire of 1969c.the California oil spilld.environmental assessments
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is protein a living cell or a virus
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HELP???????????????????????????????
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Ok here is the next one. The answer selected was just accidentally tapped so ignore it lol.
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Which shows a correct association between a structure and one of its functions? Pores receive sensory information. Oil regulates temperature. Vitamin D protects against bacteria. Sweat glands remove waste
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What are TWO ways that species are becoming endangered due to human behaviors?
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HELP??????????????????
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can someone help me with this??
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A bus left Cancun at 7 a.m. with a group of tourists. They travel 200 miles before they stop at the beach. Then they travel an additional 150 miles until the end of their trip at 5 p.m. What was the average speed of the bus?
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A dihybrid cross experiment is carried out on pocket mice. The traits being observed are fur color and tail length. In the F2 generation, 54 mice are dark brown with long tails, 18 mice are dark brown with short tails, 18 mice are tan with long tails, and 6 mice are tan with short tails. Which traits are dominant? tan fur, long tail tan fur, short taildark brown fur, short tail dark brown fur, long tail
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Hail starts as liquid water and then is swept up and down in the clouds, buildingmany solid layers before it falls to Earth.True False
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Is mass conserved in chemical reactions?
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This might be the last one I dont remember.I will mark branliest if correct.
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Changes in the periodic table from 1800's to the present are based on all BUT ONE of these factors.A)peer reviewB)empirical dataC)fact verificationD)journal publication
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2. How long would it take for a car to travel a distance of 275 km if it is traveling at a velocity of 55km/hr?
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Identify the plant tissues in the three images.AB.C
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There are several external forces that acct on rocks in the rock cycle. Which one isNOT one of these forces?A.waterB.pressureC.iceD.wind
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Question 4 of 10Which of these is not a function of some membrane proteins?O A. Catalyzing chemical reactions in the cellB. Receiving messages from other cellsC. Recognizing other types of cellsO D. Keeping polar molecules out of the cell
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If climate change increases the overall temperature of the earth, glaciers can meltinto the ocean. If that happens, what would be the spheres involved?A. cryosphere and hydrosphereB. geosphere and atmosphereC. cryosphere and biosphereD. hydrosphere and atmosphere
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Water is polar. What types of bonds does this allow water to make with other water molecules?
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PLS PLS PLS HELP ITS DUE IN AN HOUR
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5. The water in the Buffalo River flows at an average speed of 4 km/hr. If you and a friend decide tocanoe down the river a distance of 18 km, how many hours will it take?
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please help :(( How many Phosphorus atoms are in the chemical equation H3PO4A. 4 Phosphorus atomB. 1 Phosphorus atomC. 12 Phosphorus atomD. 3 Phosphorus atom
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Question 7 of 10Which part of a tube worm's cells keeps excess salt from entering the cells?A. The cytoplasmB. The cell nucleusC. The cell membraneD. The cytoskeletonSUBMIT
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