What does LD50 refer too and what is the importance of LD50 in terms of pesticide toxicity?
What will be an ideal response?
LD50 is expressed as milligrams (mg) of toxicant (pesticide) per kiligrams
(kg) of body weight. These values are used to categorize the toxicity of pesticides.
The lower the LD50 the more toxic the pesticide is to humans.
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Besides Greek epic poetry, what other literary traditions inspired the Romantics?
a. Indian and Persian b. Russian and German c. Egyptian and Babylonian d. Ottoman and Chinese
Technician A says that the pushrods should be rotating while the engine is running if the camshaft and lifters are okay. Technician B says that the camshaft rotates at one-quarter the crankshaft speed. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
Technician A says that many traction control systems reduce engine torque to help the drive wheels achieve traction. Technician B says that hydraulic pressure from the electrohydraulic unit may supply brake fluid pressure to the wheel brake that is spinning during a traction control event. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A Normally Open Push Button switch can carry current when not pushed
Indicate whether the statement is true or false