Calcium and magnesium salts in water are the cause of _____.

a. turbidity
b. acidity
c. hardness
d. odors


c. hardness

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The live weight of calves marketed per breeding female has remained about the same since 1925

Indicate whether the statement is true or false

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One of your employees is in the habit of taking excessively long lunch breaks. The more

you talk with him about the problem, the worse his behavior becomes. Even written reprimands and disciplinary layoffs fail to produce improvement. Based on this information only, what kind of reinforcement are you apparently using and need to change?

a. Avoidance b. Extinction c. Positive reinforcement d. Punishment e. Distortion

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The vehicle stability control system (VSES) used by GM is controlled by the ________

A) EBCM B) PWM sensor C) Load monitor D) Driver switch

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Surface falls are divided into four categories: trip and fall, stump and fall, step and fall, and slip and fall.