Nitrogen.
Plants cannot use atmospheric nitrogen directly. Nitrogen from the air must be converted into the different form so plants can absorb it. Thus plants need nitrogen-fixing bacteria to convert atmospheric nitrogen into ammonium, which is available for plants to absorb it.
La sangre sale del corazón a través de la válvula pulmonar hacia la arteria pulmonar y hacia los pulmones. La sangre sale del corazón a través de la válvula aórtica, hacia la aorta y hacia el cuerpo. Este patrón se repite, lo que hace que la sangre fluya continuamente al corazón, los pulmones y el cuerp.o espero que esto te
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<span>In the algae the term “colony” is used for a wide variety of organisms which have the single common attribute of being two or more cells associated regularly in a fashion such that this association is recognized as the morphological type of a genus and species.</span>
Chlorophyll is a pigment found in the thylakoid membranes of the chloroplasts in the leaves. This is why plants are green. The simple answer is that plants are green because they have green chloroplasts.
