Hundreds of different languages are spoken around the world. the graph shows the numbers of native speakers of six languages. about how many more people speak mandarin than speak hindi?

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?

What factor besides temperature affects the boiling point of water? a. mass b. number of moles c. volume d. pressure