What is a base? List two common basic substances.
What will be an ideal response?
A base is a proton acceptor. Common bases include sodium hydroxide (lye), ammonia, sodium bicarbonate, magnesium hydroxide, aluminum hydroxide, and calcium carbonate, to name a few.
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________ is frequently caused by hearing loss, loud noises, medicines, and other health problems, such as allergies, tumors, and problems arising from the cardiovascular system
a. Tinnitus b. Cerumen c. Tetanus d. Epithelial
What kind of incoming telephone calls receive priority after emergency lines?
A. business lines B. residential lines C. direct lines D. administrative lines
Low temperatures of ________°F and below retard, but do not kill bacterial growth.
A. 23 B. 32 C. 43 D. 54
What type of film produces a very black- and-white shaded image?
A) low-speed film B) medium-contrast film C) high-contrast film D) fine detail film