A) Water flowing downhill B) Clear water and sandy bottom C) Presence of marine life like seaweed or barnacles D) Absence of visible insects
A) Lack of any surrounding life B) Rocky shoreline with crashing waves C) Foam on the water surface D) Abundant vegetation growing near the water source
A) Both are indistinguishable B) All water sources are safe to taste C) Saltwater will have a distinctly salty taste D) Freshwater will always taste sweet
A) Mountain spring B) Estuary C) Glacier D) High-altitude lake
A) Proximity to the ocean B) Presence of specific plants C) Water color D) Animal activity around the source
A) Kelp B) Mangroves C) Cattails D) Seagrass
A) Seals and walruses B) Sea turtles C) Saltwater crocodiles D) Frogs and amphibians
A) Always potable B) Saltwater or brackish water C) Distilled water D) Pure freshwater
A) All natural water sources are safe to drink. B) Tasting guarantees the water is safe. C) Saltwater always looks cleaner. D) Freshwater can still contain harmful bacteria and pollutants.
A) A mixture of saltwater and freshwater. B) Boiled water. C) Extremely pure freshwater. D) Heavily polluted water.
A) River delta B) Volcanic hot spring C) Desert oasis D) Alpine lake
A) Calcium carbonate B) Magnesium sulfate C) Potassium iodide D) Sodium chloride
A) If the water is safe to drink. B) The exact salt content of the water. C) What animals rely on that water, but not necessarily its salinity. D) Whether the water is naturally carbonated.
A) Using a portable desalination device that requires considerable energy. B) Boiling the water for purification. C) Using water purification tablets. D) Filtering the water through cloth.
A) Boiling B) Frozen C) Salty D) Safe to drink
A) Where the water originates, but not necessarily its purity. B) If the water contains parasites. C) The exact mineral content of the water. D) Whether the water is naturally carbonated.
A) Woodpeckers B) Seagulls C) Owls D) Cardinals
A) Tuna B) Marlin C) Shark D) Trout
A) Does not guarantee its potability or salinity. B) Always indicates purity. C) Always indicates saltwater. D) Always indicates freshwater.
A) Increased vegetation B) Salt deposits C) Diamond deposits D) Freshwater springs
A) Salinometer B) Thermometer C) Hygrometer D) Barometer
A) Salmon B) Polar bears C) Mountain lions D) Oysters
A) Saltwater B) Polluted C) Freshwater D) Brackish
A) Desalination B) Sublimation C) Volcanic eruption D) Precipitation
A) Fertile soil conditions B) Acidic soil C) Saline soil conditions D) Drought-resistant plants
A) Glacial melting B) Regular flooding by seawater C) Volcanic activity D) Heavy rainfall
A) Boiling it. B) Freezing it. C) Adding sugar. D) Adding chlorine
A) Leech B) Mosquito C) Beaver D) Starfish
A) It turns your skin blue. B) It can lead to dehydration. C) It causes instant death. D) It tastes too bad.
A) Fast flowing current B) Algae bloom C) Salty taste D) Abundance of wildlife |