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