Which of the Following Statements About the Banded Iron Formations

question 19

Multiple Choice

Which of the following statements about the banded iron formations is true?

• A)The BIFs show evidence of an oxygen-poor atmosphere because all of the oxygen was dissolved into the oceans and then precipitated as iron-oxide minerals.
• B)The BIFs show evidence of an acidic ocean that forced iron to bond with the oxygen in the water to form iron-oxide minerals.
• C)The BIFs show evidence of an oxygen-poor ocean because all the oxygen was trapped in the iron-oxide minerals that make up the formation.
• D)The BIFs show evidence of an oxygen-rich atmosphere that forced the oceans to become oxidizing and precipitate iron-oxide minerals.

---

Definitions:

Senser Personality

A characteristic in personality type theories that focuses on preference for taking in information through the five senses and living in a more concrete, here-and-now manner.

Stimulus-response Model

A behavioral theory suggesting that an individual's actions (responses) are direct reactions to external stimuli.

Sales Presentation

A pitch or demonstration given by a salesperson to a prospective buyer with the aim of selling a product or service.

Preconscious

A term in psychology, referring to the part of the mind containing thoughts and feelings not currently in consciousness but can be recalled to consciousness.