2 Minutes

What should they do to prevent this problem from recurring? Select the best answer.

HINT: The color may be a clue to how it lives.

A) Treat the water supply with antibiotics.

B) Paint the pipes black.

C) Boil the water before drinking.
HELP

Please send any comments to:
Curator:
Tom.Benson@grc.nasa.gov
Responsible Official: Kathy.Zona@grc.nasa.gov