What Is the Best Example of a Marginal Change

question 84

Multiple Choice

What is the best example of a marginal change

• A)College tuition rose by 1% last year.
• B)Kim gets a big promotion at work.She also gets a raise from $25,000 per year to $40,000 per year.
• C)Mark graduates from university and takes a job.His income increases from $10,000 per year to $50,000 per year.
• D)A drought hits Saskatchewan and the price of wheat increases from $4.00 per bushel to $8.00 per bushel.

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Definitions:

Mutualistic Relationship

An interaction between two different species where both individuals derive a benefit from the relationship.

Mychorrhizae

Symbiotic associations between the roots of plants and fungi, enhancing nutrient and water absorption for the plant and providing carbohydrates for the fungus.

Soil Fungus

Microorganisms present in the soil that decompose organic matter and recycle nutrients, playing a vital role in soil health and fertility.

Endodermis

A layer of cells in the root of a plant that acts as a barrier to the free movement of substances between the soil and the vascular tissue.