Una muestra de vino tinto tiene una concentración de iones hidrogeno [H+] de 1.5×10^3, calcular la concentración de iones [OH-]

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Which statement would indicate the presence of an acid