It would be "las" because sillas is feminine and it is plural. Las sillas
(English)
Rocío has a board game in which he must move a chip on a rectangular board if said board has 12 boxes in each column and in 8 each row how much box the board will have.
<span>1. Jaime se levanta a las ocho.
<em>Jaime gets up at eight.</em>
2. Yo uso Crest cuando yo me cepillo los dientes.
<em>I use Crest when I brush my teeth.</em>
3. Ustedes no se afeitan por la manana.
<em>You don't shave in the morning.</em>
4. Marcos no se seca el pelo después de ducharse.
<em>Marcos does not dry his hair after showering.</em>
5. Tú te lavas las manos con el jabón
<em>You wash your hands with soap.</em>
6. Ricardo y Teresita se miran en el espejo.
<em>Ricardo and Teresita look in the mirror.</em>
7. Nosotros nos cepillamos el pelo con el cepillo.
<em>We brush our hair with the brush.</em>
8. Ustedes se lavan en el lavabo.
<em>You wash in the sink.</em>
9. Ustedes no se cepillan a las diez de la noche.
<em>You do not brush at ten o'clock at night.</em>
</span>
The answer is
Profesora, hable m<span>ás despacio, por favor.</span>
Answer:
Origin of Heterospory:
The fossil evidence indicates that some sporangia of the plant contained both small and large spores, though the size differences are not so pronounced. So a single sporangium contained both microspores and megaspores. At a later period, the microsporangia and megasporangia might have been differentiated.
