the water and waste materials we washed down toilets and sinks are called:
A. pesticides
B. sewage
C. industrial chemicals
D. fertilizer
Sometimes it helps to look the words up in a dictionary.
sew·age (sj)
n.
Liquid and solid waste carried off in sewers or drains.
Sra
The water and waste materials we wash down toilets and sinks are called sewage, which is option B.
Sewage consists of both liquid waste (water) and solid waste materials that are flushed down toilets or drained off sinks, showers, and other household plumbing fixtures. It includes substances like human waste (feces and urine), toilet paper, food particles, cleaning agents, and so on.
To arrive at this answer, you can use general knowledge or understand the terminology associated with household plumbing and waste management systems. Sewage is a commonly known term used to refer to the waste materials that are transported and processed through the sewer system.