How does lime mortar (mixture of lime + sand + water) set, harden, and gain strength?
What will be an ideal response?
The lime in mortar reacts with atmospheric carbon dioxide to form calcium carbonate, which is limestone ?a hard and strong substance.
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To survive cell division, each new cell must have the same genetic code as its parent cell.
Answer the following statement true (T) or false (F)
Which of the following is NOT a cause of high exhaust back pressure?
A) Vacuum leak B) Restricted exhaust pipe C) Restricted catalytic converter D) Restricted muffler
It is illegal to intentionally release refrigerant from air conditioning or refrigeration systems to the atmosphere.
Answer the following statement true (T) or false (F)
Local codes ________ take precedence over the International Residential Code
A) Never B) Usually C) Sometimes D) Always