Which of the following is the conjugate acid of HPO42-
A) H3PO4
B) H2PO4-
C) PO43-
D) H3O+
B
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________ record the frequency of occurrence of an event during a given time frame for a designated population.
A. Rates B. Cohorts C. Transitions D. Records
Which of the following is not a valid reason for studying Earth?
A) All Earth processes can only be explained by supernatural forces. B) Earth is the planet upon which you live. C) Earth is an active planet that experiences cataclysmic earthquakes, volcanic eruptions, floods, landslides, and other processes that constantly reshape the surface and sometimes threaten human lives and property. D) Earth is a source of raw materials for metals, plastics, building materials, and precious gemstones.
The location of the Prime Meridian is an arbitrary choice.
Answer the following statement true (T) or false (F)
What is Wallace's Line?
A) subduction zone by the Mariana Trench B) ocean trench separating megafauna C) Indonesian area of the Ring of Fire D) corner of the Philippine and Pacific plates E) none of the above