The chemical expression "pH" refers to the concentration of hydrogen:
a. electrons
b. molecules
c. ions
d. atoms
c
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An iron paper clip is attracted
A. more strongly to the south pole of a magnet. B. more strongly to the north pole of a magnet. C. equally to either pole of a magnet. D. none of the above
The constitutional basis for environmental justice is rooted in ________
A) equal protection for all citizens B) environmental laws and legislative regulations C) compensation to a land owner by the government when their property is needed for public use D) ecological valuation of the ecosystem E) public policy and governmental ethics
List the primary factors that can increase the instability or stability of air
What will be an ideal response?
The Sargasso Sea is the water that circulates around the rotation center of the ________ gyre
A) Indian Ocean B) North Atlantic C) North Pacific D) South Atlantic E) South Pacific