drealee62307 drealee62307

14-10-2021
Biology

contestada

1. To be regarded as safe, a sewage system must
a. be connected to a city system.
b. be constructed from concrete block.
C. decompose human waste.
d. discharge into a stream or river.

Respuesta :

mercybadina mercybadina

14-10-2021

Answer:

c

Explanation:

Answer Link

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