Which of the following is true of many antiseptics and disinfectants?
A) They are reducing agents.
B) They are oxidizing agents.
C) They are either oxidizing or reducing agents.
D) They are neither oxidizing nor reducing agents.
B
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What type of eruption is shown in this photograph?
A) Lava flow
B) Lava dome
C) Lava fountain
D) Pyroclastic column
E) Pyroclastic flow
The increased presence of carbonic acid at deep depths causes calcium carbonate to precipitate into a
solid beneath approximately 4500 meters. Indicate whether the statement is true or false.
How do the insoluble components of oil affect the ocean?
a. Prevent free diffusion of gas b. Clog feeding structures c. Decrease the amount of light penetrating the surface d. All of these choices
All of the following are compounds EXCEPT ________
A) oxygen gas B) table salt C) methane D) glucose E) water