It is safe for waste water to go straight into the environment.

• true

• false

Tags

NGSS.HS-LS2-7

Organic matter is decaying animal or plant material

• false

• true

Industrial waste contains harmful microbes.

• true

• false

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

Both sewage and agricultural waste contain harmful microbes

• true

• false

Fertilisers and pesticides can be found within agricultural waste.

• true

• false

Tags

NGSS.HS-LS2-7

Screening is when large solid objects and grit is removed.

• true

• false

Sludge is the watery liquid produced in the primary treatment stage.

• true

• false

Aerobic respiration doesn’t require oxygen.

• true

• false

Tags

NGSS.HS-LS2-3

Useful bacteria break down harmful microorganisms using aerobic respiration

• true

• false

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

Useful bacteria are discarded in the final stage of waste water treatment.

• true

• false