How can efflorescence on brick walls be removed?

What will be an ideal response?


By washing the wall a few times with clean water.

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What are the limitations of stucco cladding?

What will be an ideal response?

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Technician A says that electrons in a fuel cell flow from the cathode to the anode. Technician B says that electrons in a fuel cell flow from the anode to the cathode. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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What was the name of the first capacitance device?

A) Capacitor B) Battery C) Leyden jar D) None of these

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Based on accounts of rebellions and laws put into place afterward by slaveholders, we can infer that most blacks responsible for leading the most notable rebellions ________

A) were literate B) were illiterate C) were prompted to do so by family and friends D) were agnostic

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