Buryinglow-levelwasterequiresthatthetrenches shouldbe: A) filledwithalayerofclayandanotherofcement; B) filledwithtwothicklayersofconcretemixedwith...
Buryinglow-levelwasterequiresthatthetrenches shouldbe:
A) filledwithalayerofclayandanotherofcement;
B) filledwithtwothicklayersofconcretemixedwithclay;
C) filledwithalayerofsand,alayerofclayandanotherofearth;
D) covered with a special kind of grass that grows on layersofclay;
E) coveredinclaybeforebeingfilledwithsoilandalayerofconcrete.
A) filledwithalayerofclayandanotherofcement;
B) filledwithtwothicklayersofconcretemixedwithclay;
C) filledwithalayerofsand,alayerofclayandanotherofearth;
D) covered with a special kind of grass that grows on layersofclay;
E) coveredinclaybeforebeingfilledwithsoilandalayerofconcrete.
💡 1 Resposta
Ed 
A alternativa correta é a letra C) filled with a layer of sand, a layer of clay and another of earth.
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