What portable filter removes viruses and parasites?

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Study for the Water Resources and Pollution Test. Prepare with comprehensive multiple choice questions, hints, and explanations. Ensure exam success by understanding key concepts and strategies!

Multiple Choice

What portable filter removes viruses and parasites?

Explanation:
Portable filtration relies on physically blocking pathogens as water passes through a barrier small enough to stop them. LifeStraw uses a hollow-fiber membrane with pores around 0.2 micrometers, which is effective at removing most protozoan parasites and many bacteria, making water safer to drink in the field. Its design as a compact, portable device fits the idea of removing pathogens on the go, unlike reservoirs (storage), municipal sewage disposal (infrastructure), or the Flint Water Crisis (an event). So this portable filter is the best match for removing parasites and many pathogens in a travel or outdoor setting.

Portable filtration relies on physically blocking pathogens as water passes through a barrier small enough to stop them. LifeStraw uses a hollow-fiber membrane with pores around 0.2 micrometers, which is effective at removing most protozoan parasites and many bacteria, making water safer to drink in the field. Its design as a compact, portable device fits the idea of removing pathogens on the go, unlike reservoirs (storage), municipal sewage disposal (infrastructure), or the Flint Water Crisis (an event). So this portable filter is the best match for removing parasites and many pathogens in a travel or outdoor setting.

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