How Did Large Iron Deposits,called Banded Iron Formations,form

question 76

Multiple Choice

How did large iron deposits,called banded iron formations,form?

• A)hot water circulates along the margins of a caldera
• B)groundwater mixes with seawater in the subsurface
• C)magma releases metal-rich fluids that replace reactive rocks
• D)an increase in oxygen in Earth's atmosphere caused seas to precipitate beds of iron-rich minerals

---

Definitions:

United States

A country located in North America, consisting of 50 states and known for its diverse culture and significant influence on world politics and the global economy.

Stage Theory

A psychological theory proposing that development occurs in distinct phases or stages, each characterized by specific challenges or tasks.

Grief

A deep emotional response to loss, particularly to the loss of someone or something that one has formed a bond with.

Child

A young human being, typically defined as a person before the onset of puberty or below the legal age of majority.