Which list of items contains only ions?
a. CO2, H2O, Na+, H-
b. Na+, H-, Pb, Hg
c. Pb, Hg, CO2,NaCl
d. Cl-, Na+, Ca2+, NO3-
e. NaCl, NO, CO, NaOH
D
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Indicate whether this statement is true or false.
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the magnetic iron-bearing minerals align themselves with the Earth's magnetic field and record ____________________ and ____________________. Fill in the blank(s) with the appropriate word(s).
Among the lowest rate of natural increase in Southeast Asia are Singapore and Thailand
Indicate whether the statement is true or false
A single rock rolling and tumbling downhill is too small to be considered mass wasting
a. True b. False Indicate whether the statement is true or false