Residents of New City are complaining that many ponds in the area smell like sewer water. They approach city government leaders about their concerns. The city responds by sending a biologist to collect water samples to test the water. The biologist finds that algae are causing the odor. What should the government do next to solve the problem? (4 points)

a
Decide that bleach is to be poured into local ponds since bleach is known to kill algae.

b
Pass an ordinance that requires residents to close their windows because of the fumes.

c
Investigate options for killing the algae without harming the ecosystems in the ponds.

d
Seek ways to move the residents to a new location until the foul algae can be removed.