Which of the following is not true of pH indicators?
A) They all change color at pH = 7.
B) They all have different colors in acid solutions than in basic solutions.
C) They can be papers which have been soaked in specific compounds.
D) None of the above, all the statements are true.
A
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If the sun's energy could be measured in units like money, which of the following organisms would be the most expensive to maintain?
A) A mushroom B) A fox C) A squirrel D) A sunflower
The place where an earthquake begins is called its ____.
A. liquefaction B. focus C. magnitude D. amplitude E. fault
The West Australian Current is an example of which of the following types of currents?
A) Eastern Boundary Current B) Equatorial Counter Current C) Northern Boundary Current D) Southern Boundary Current E) Western Boundary Current
What are the general trends of earthquake risk in the continental United States (i.e., where earthquake risk is high and where risk is low)?
Zoom out to the entire United States to examine the earthquake risk trends throughout the continental United States.