Question

the steepest part of the continental margin, where it descends down to the ocean floor, is known as the
continental edge.
continental rise.
continental slope.
shelf break.

multiple choice 2 points
earths magnetic field is thought to be caused by movements of liquid metal in which of earths layers?
continental crust
outer core
mantle
lithosphere

multiple choice 2 points
deep sea trenches are formed in areas where:
one plate moves alongside another in a transform motion.
one plate is lifted by another.
one plate sinks beneath another.
sea - floor spreading takes place.

Explanation:

1. La parte más empinada del margen continental, que desciende hacia el fondo marino, es el talud continental.
2. El campo magnético de la Tierra se cree que es causado por los movimientos de metal líquido en el núcleo externo de la Tierra.
3. Las trincheras marinas profundas se forman en áreas donde una placa se hunde debajo de otra.

Answer:

1. continental slope
2. outer core
3. one plate sinks beneath another