Type in the missing compound in each of the neutralization reactions below. H2S + Mg(OH)2 --> 2 H2O + Mg2
2 HCl + Ca(OH)2 --> 2 H20 + ||
--> HOH + NaBr
H2504 + Sr(OH)2 --> SrS04 + 2
Al(OH)3 + 3 HF -->
+ 3 HOH
+ NaOH --> 3 H2O + Na3PO4
2 H(C2H302) +
--> 2 H2O + Mg(C2H302)2

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

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they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.