La Ramblas is the central boulevard in Barcelona, and it is also the one main tourist's attraction in the city. It is approximately 1.2 kilometers long with Port Vell at the Southernmost end and Placa Catalunya at the Northernmost end. It can also be divided into seedy and non-seedy areas. Attraction in Ramblas includes live performances, human statue art, an artist that draw your portrait or caricature and the Erotica Museum.
Plants have these because root nodules<span> are formed when nitrogen fixing bacteria called "rhizobia" start to enter the cells of a host </span>plant<span>. Rhizobia normally live inside of the soil and they </span>can<span> exist without a host </span>plant<span>.</span>
Es 4 porque si ok yo no se como
