Age of fossils is determined by comparing their location with that of fossils in other rock layers

Hola nesecito las costumbres de blanca de tomas carrasquilla

Which one of the following is the correct rhyme to keep in mind when using the spanish counterparts to this, that, those and these? a “this” and “these” both have t’s, “that” and “those” don’tb “that” and “those” both have t’s, “this” and “these” don’tc “that” and “those” both have s’s, “this” and “these” don’td “this” and “these” both have s’s, “that” and “those” don’t

Quién hace los planes para construir un edificio?