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Biology, 21.06.2019 21:30
Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.
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Biology, 22.06.2019 03:50
The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above
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Biology, 22.06.2019 05:40
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
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Biology, 22.06.2019 11:30
Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan
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Mathematics, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05
Biology, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05
Physics, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05
Computers and Technology, 07.05.2020 06:05
Mathematics, 07.05.2020 06:05