How was the falaj built​

Shafts are built at a 20-metre distance along the tunnel. They also have a ring of burnt clay that removes debris and helps in ventilation. The ring protects the channel from destruction in case the tunnel collapses and also prevents the falaj from flooding.

answer: which of the following best describes greek tragedy?

a) it was lighthearted and included songs and elaborate costumes.

b) the plays included political statement that mocked leaders and their policies.

c) the lead character suffers because of personal flaw.

d) the gods intervene negatively in the lives of men.

the answer would be d

explanation: