In the Soil Profile Below,iron Is Present in Both the Top

question 4

Multiple Choice

In the soil profile below,iron is present in both the top and bottom layer,as labeled,but why is only the second layer a reddish color?

• A)The iron oxide was leached from the top layer in what was most likely a wet environment.
• B)The iron oxide was leached from the top layer in what was most likely an arid environment.
• C)When exposed to air,the iron oxide loses its reddish tint in what was most likely a wet environment.
• D)When exposed to air,the iron oxide loses its reddish tint in what was most likely an arid environment.

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Definitions:

Readability

The ease with which a reader can understand or interpret text.

Double-Barreled

A type of question or statement that asks about two different things simultaneously, making it challenging to answer or address directly.

Yea-Saying

A response bias wherein participants in a study agree or say 'yes' to questions regardless of their actual opinion.

Nay-Saying

A response bias in survey research where participants consistently disagree or respond negatively to questions.