Answer:
C. Arrhenius
An Arrhenius base is a substance that dissociates in water to form hydroxide (OH–) ions. In other words, a base increases the concentration of OH– ions in an aqueous solution.
Explanation:
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The correct option is B. To increase the production of ammonia, you have to increase the pressure of the system. Increase in pressure will result in increased production of ammonia because this will drive the chemical reaction forward.
The scientific form is

So, the form of scientific notation is
If I'm correct, the crater is actually a circular-shaped area around the volcano's central vent. My answer is false
Psychical(you see the changes visible) and Chemical properties(they react and combine, you may see fizzing or bubbles).