Please help!! Huge mountain systems, like the Himalayas, are created when

A. continental crusts rub past each other

b. continental crusts collide and fold

C. oceanic crusts subducts under

D. continental crust
oceanic crusts pull apart

What is hydroelectric power produced by?

Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.