Answer:
there are many different cultures
there are different practices
different languages spoken in different countries
Sediments are typically laid down in layers, or strata, usually in a body of water. On the seafloor, sediments are thinnest near spreading centers (young seafloor) and thicker away from the ridge, where the seafloor is older and has more time to accumulate. Sediments are also much thickest near continents.
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Se considera como continente a una gran extensión de tierra que se diferencia de otras menores o sumergidas por conceptos geográficos, como son los océanos; y culturales, como la etnografía.