porque fue decisivo encontrar bandas de distinta orientacion magnetica paralelas a las dorsales oceanicas?

but there is no

i guess you forgot putting it.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

the tricuspid valve is present between right atrium and right ventricle