In a local water supply, lead levels have increased due to corroded pipes. Drag each item to indicate whether it is effective or ineffective in removing chemical contaminants such as lead.

Question

effective

ineffective

answers

reverse osmosis

microfiltration

distillation

ultraviolet radiation

Answer 1

effective
- reverse osmosis
- microfiltration
- distillation

ineffective
- ultraviolet radiation

Answer 2

Kieran is working on reducing his water usage. Which of the following should he do?(1 point)
Responses

A. use sprinklers to water his vegetable garden

B. replace his conventional soap with biodegradable soap

C. take baths instead of showers

D. run his dishwasher only when it has a full load of dishes

Answer 3

D. run his dishwasher only when it has a full load of dishes