How Does Humus Contribute to the Acidity of Soil

question 35

Multiple Choice

How does humus contribute to the acidity of soil?

• A)The humus contains a large proportion of amino acids that get released into the soil.
• B)The humus binds with hydroxide ions, which has the effect of increasing the hydronium ion concentration.
• C)In decomposing, the humus releases carbon dioxide which reacts with moisture to form carbonic acid.
• D)Humus contains many alkaloids that cause the pH of the soil to rise.

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Definitions:

Perfect Competition

A market structure characterized by a large number of buyers and sellers, homogeneous products, and free entry and exit, leading to price determination by supply and demand.

Wheat-Growing

The agricultural practice of cultivating wheat, a staple grain used worldwide for food.

Marginal Revenue

The increase in revenue that results from the sale of one additional unit of a product.

Perfect Competition

A market structure characterized by a large number of small firms, identical products sold by all firms, perfect information, and no barriers to entry or exit.