Currents in the northern Indian Ocean change direction seasonally.
Answer the following statement true (T) or false (F)
True
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A major population challenge in Japan is
A. large numbers of children B. an unbalanced sex ratio C. an aging population D. massive emigration
The soil-forming factor that has the greatest effect in differentiating soil at the global-regional scale is ____
a. parent material b. land surface configuration c. climate d. vegetation type
In the figure below, the zone of accumulation occurs where?
A. 1 B. 2 C. 3 D. 4
What would be the concentration of hydronium ions in a solution that had a pH = -3? Why would such a solution be impossible to prepare?
A) Concentration of H3O+ = 3 M. It is impossible because it is hard to measure such a small amount of hydronium ions accurately. B) Concentration of H3O+ = 30 M. It is impossible because pH cannot be negative. C) Concentration of H3O+ = 1030 M. It is impossible because any container used to hold the acid would immediately corrode. D) Concentration of H3O+ = 103 M. It is impossible because only so much acid can dissolve in water before the solution becomes saturated.