Name the layers of Earth starting at the crust and going in. Describe the composition of each layer. Enter your answer in the space provided.

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- Earth Science

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

What is produced from neutralization of an acid and a base? a. hydronium ions b. citric acid c. salt and water

Is it safe to take 450mg of diphenhydramine hydrochloride?