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Biology, 21.06.2019 18:30
Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine
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Biology, 21.06.2019 19:30
Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy
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Biology, 22.06.2019 09:00
Which two criteria must be met before scientist can use radiocarbon dating? explain your answer
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Biology, 22.06.2019 09:30
Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
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