Sea Otters Help Save California’s Wetlands
A scientist who studies marine life says the hungry animals are keeping a destructive crab in check.
Source : https://learningenglish.voanews.com/a/sea-otters-help-save-california-s-wetlands-/7471802.html
A scientist who studies marine life says the hungry animals are keeping a destructive crab in check.
Source : https://learningenglish.voanews.com/a/sea-otters-help-save-california-s-wetlands-/7471802.html
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