Which process plays an important role in the cycling of both carbon and nitrogen?

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

An electrons position cannot be known precisely only it's probability of being in a certain location can be known