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