Why does the sky change colors at sunset?

1 because the sun changes colors

2 because the atmosphere reflects colors

3 because long wavelengths are scattered the least

4 because short wavelengths are scattered the least

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

Volume is a measurement of how fast particles of a substance are moving

Will a solution form when the solvent and solute are both nonpolar? a. not likely b. never c. most likely