Does Soap Increase or Decrease Water's Surface Tension

question 4

Multiple Choice

Does soap increase or decrease water's surface tension?

• A)increases
• B)decreases
• C)Soap does not affect water's surface tension.
• D)Both; adding a small amount of soap will first decrease water's surface tension but increasing the amount of soap will reverse the effect.

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Definitions:

Net Income

The total profit of a company after all expenses and taxes have been subtracted from total revenue.

Crossover Rate

The crossover rate refers to the point at which two different projects have the same net present value (NPV), used in capital budgeting to compare the desirability of investments or projects.

Mutually Exclusive

Situations, events, or decisions that cannot occur or be undertaken simultaneously—if one happens, the other cannot.

Projects

Initiatives or plans undertaken to achieve specific objectives, which can be either short-term or long-term in nature.