Assertion: brook trout | /r/ObjectUse | used for scientific experimentation
Facets:
value: in assessing the effects of pollution
type: PURPOSE
Source sentences:
text: Because of its dependence on pure water and a variety of aquatic and insect life forms, the brook trout is also used for scientific experimentation in assessing the effects of pollution and contaminated waters.[citation needed]
text: Because of its dependence on pure water and a variety of aquatic and insect life forms, the brook trout is also used for scientific experimentation in assessing the effects of pollution.
text: Because of its dependence on pure water and a variety of aquatic and insect life forms, the brook trout is also used for scientific experimentation in assessing the effects of pollution and contaminated waters.[citation needed]