Explain why organic food products may have natural toxins
What will be an ideal response?
Plants have self-defense mechanisms that produce natural toxins to help ward off insects. If attacked by pests, the plants release these substances as a result of the stress caused by the insects or disease. These natural toxins can be many times the amount contained in plants that were protected by pesticides.
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What three things must process technicians do as they perform routine tasks on electric motors?
a. Anticipate, explore, and think b. Look, listen, and check c. Prevent, understand, and consider d. Question, answer, and know
In early control systems, almost all components necessary for the operation of the air-conditioning system were mounted on the wall near the condensing unit.
Answer the following statement true (T) or false (F)
Technician A says that the contents of any data bus message packet can be interpreted using a scopemeter. Technician B says that a scopemeter can be used to identify bus node activity ... or lack of activity. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
The matric potential of soil water is:
A) not influenced appreciably by the force of gravity. B) generally higher than that of pure water outside the soil. C) little affected by soil solids. D) lower in a sandy soil with 20 percent soil water than in a clay soil with same percentage of moisture. E) influenced greatly by the content of salts in the soil.