How are light years used in science. 20 !

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

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.

Gunpowder residue is most likely to show up where on a shooters hands