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Choose one option
Autor :
Profesor Sergio
1.
Choose one option
A.
They require little maintenance because they have no moving parts.
B.
They can easily be installed on roofs.
C.
More solar cells can be added to homes if you need extra energy.
D.
Solar cells are also totally silent and non-polluting.
2.
Choose one option
A.
They require little maintenance because they have no moving parts.
B.
They can easily be installed on roofs.
C.
More solar cells can be added to homes if you need extra energy.
D.
Solar cells are also totally silent and non-polluting.
3.
Choose one option
A.
They require little maintenance because they have no moving parts.
B.
They can easily be installed on roofs.
C.
More solar cells can be added to homes if you need extra energy.
D.
Solar cells are also totally silent and non-polluting.
4.
Choose one option
A.
They require little maintenance because they have no moving parts.
B.
They can easily be installed on roofs.
C.
More solar cells can be added to homes if you need extra energy.
D.
Solar cells are also totally silent and non-polluting.
