Uno de los hechos con los que se relaciona el surgimiento de las civilizaciones antiguas es: Seleccione una:
a. Con la creación de la imprenta el conocimiento es difundido a todo el mundo.
b. El hombre comienza a crear armas a partir de piedras talladas y ramas de árboles.
c. El sedentarismo, el hombre antiguo optó por conformar las primeras sociedades en los lechos de los ríos y así aprovechar el caudal del agua.
d. El descubrimiento del fuego, porque le permitió al hombre asar los alimentos y alumbrar las cuevas.

Why might a single rock layer exhibit different types of sedimentary rocks within it? view available hint(s) why might a single rock layer exhibit different types of sedimentary rocks within it? such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed in a sequence over time. such a rock layer, termed a facies, when traced laterally represents a single depositional environment that formed over time. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced laterally represents a variety of depositional environments that formed at the same time across a broad area. such a rock layer, termed a facies, when traced vertically represents a variety of depositional environments that formed in a sequence over time.