What three things must be present in order to have a continuous flow of electricity?
What will be an ideal response?
In order to have a continuous flow of electricity, three things must be present:
1) an excess of electrons in one place
2) a lack of electrons in another place
3) a path between the two places
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Answer the following statement true (T) or false (F)
A masonry veneer wall must be separated from its backup by an airspace of at least _____.
a. 1/2 inch b. 1 inch c. 1-1/2 inches d. 2 inches
A parent firm tries to ________ its ________.
A. Protect and use; rewards B. Encourage adherence to policy for; management C. Attract; management D. Act decisively; assets
The swelling/shrinking tendency of some silicate clay minerals is due primarily to _____.
a. the high Mg2+ contents in the octahedral layers b. the movement of water molecules in and out of the interlayers of the crystal c. the presence of cations attracted by the negative charges on the internal surfaces d. substitution of Si4+ in the tetrahedral layers