The himalayan mountains were formed from
o a convergent boundary between two continental plates
o a convergent boundary between an oceanic plate and a continental plate
o a convergent boundary between two oceanic plates
o a divergent boundary between two oceanic plates

The answer is nitrogen-containing bases

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

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