A person scuffing their foot on a shag rug obtains a charge of

Hydrogen atoms are excited by a laser to the =4n=4 state and then allowed to emit. what is the maximum number of distinct emission spectral lines (lines of different wavelengths) that can be observed from this system? 8 6 2 7 4 5 1 3 calculate the wavelength of the 4⟶14⟶1 transition. =λ=

Ascientific blank must be testable and capable of being proven false?

Give me a example of a decomposer. explain what would happen if decomposers were absent from a forest ecosystem