Where would be the best place to put a seismometer in your school? why would you choose this location?

Which of these properties, used alone, would be least useful in identifying most minerals? a. color b. luster c. streak d. density

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?