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Test your knowledge on contamination, floodplains, and watersheds.
Test your knowledge on contamination, floodplains, and watersheds.
The question you will answer in this FACTivity is: How do air temperature patterns relate to a yearly natural event,…
The question you will answer in this FACTivity is: How do air temperature patterns relate to a yearly natural event, such as the emergence of a particular species of flower,...
Invasive species such as spotted knapweed can have an effect on a habitat and animals in that habitat. In this…
Invasive species such as spotted knapweed can have an effect on a habitat and animals in that habitat. In this study, the scientists wanted to determine how spotted knapweed affects...
Water temperature helps regulate aquatic ecosystems, and, for many aquatic organisms, life-cycle phases are tied to water temperature. Salmon eggs,…
Water temperature helps regulate aquatic ecosystems, and, for many aquatic organisms, life-cycle phases are tied to water temperature. Salmon eggs, for example, generally require a certain number of degree days...