The antibiotic streptomycin was tremendously effective in fighting which disease?
a. Polio c. Smallpox
b. Diabetes d. Tuberculosis
D
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Explain how OSHA categorizes work tasks relative to exposure to HIV infection
What will be an ideal response?
How does the 74192/74193 counter control counting up or down?
A) It uses different outputs for counting up and down. B) The clock is inverted for counting down. C) It has an up/down control input. D) It uses separate clock inputs for counting up and down.
A stepper motor with 7.5-degree stepping angle has ________ steps per revolution
A) 7.5 B) 15 C) 48 D) 36
The first law of thermodynamics states that:
A) All objects contain some energy. B) Energy cannot be created or destroyed. C) The molecular energy band is directly proportional to the thermal activity of the molecule. D) Whenever energy is created, an equal quantity of energy must be destroyed to maintain thermal equilibrium.