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Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Need asap ‼️ 20 pts which gravitational force field diagram is drawn correctly? (answers in pictures below)