Ineed the definitions of: trench, rift zone, oceanic ridges, underwater mountain ranges, ring of fire, and fault. and what type of boundary is every single one.

Macbeth and lady macbeth are partners in the nurder of duncan and both become

Why is the huronian supergroup rock formation particularly interesting to scientists? because it looks like a cross-section of a giant, stone encyclopedia because it formed during the period when oxygen began to accumulate in the atmosphere because it contains unusually large amounts of oxygen and sulfur because it dramatically altered the planet's development when it first formed

The caste system in india was used for what purpose? a) to ensure that all people had an adequate income b) to prevent the rich from taking too much power c) to provide social control and conformity according to one’s birth d) to draft a military capable of defending india from mongol invasion