Earthworms Are Repelled by the High Concentrations of Nutrients in Soils

question 82

Multiple Choice

Earthworms are repelled by the high concentrations of nutrients in soils treated with synthetic fertilizers. How might this affect the soil structure?

• A)The soil becomes less fertilized by bird droppings.
• B)The soil becomes more compact.
• C)As the worms leave, insect larvae take over the role of making the soil porous.
• D)Decaying dead worms are an important component of soil compost, which is why soil without many worms is less fertile.

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Definitions:

Price Cut

A reduction in the selling price of goods or services, usually aimed at increasing demand or facing competition.

Elastic Demand

An instance where the demand for a product exhibits substantial sensitivity to adjustments in its pricing.

Price Rise

An increase in the cost of goods or services, often due to factors such as inflation, demand surges, or production costs.

Concept of Elasticity

An economic measure of the sensitivity of an economic variable, such as demand or supply, in response to a change in another variable, such as price.