The High Surface Tension of Water That Allows Some Insects

question 29

Multiple Choice

The high surface tension of water that allows some insects to literally walk on water is due to:

• A)high heat of vaporization
• B)cohesion
• C)adhesion
• D)polar covalent bonds
• E)heat storage

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Definitions:

Marginal Cost

The extra outlay required to produce one more unit of a product or service.

R&D Expenditures

Financial resources dedicated to research and development efforts aimed at developing new products or enhancing current offerings.

Expected Rate of Return

The anticipated amount of profit or loss an investment is likely to generate relative to its cost.