A) Painting the collection surface. B) Installing a fancy filtration system. C) Assess local regulations and requirements. D) Buying a large storage tank.
A) Metal roofing B) Concrete roofing C) Asphalt roofing D) Clay tile roofing
A) Leaf screen or gutter guard B) A solar-powered bubbler. C) A brightly colored tank. D) A pump with high pressure.
A) It measures the amount of rainfall. B) It filters the water after it is stored. C) It removes the initial contaminated rainwater runoff. D) It adds minerals to the water.
A) To evaporate excess rainwater. B) To filter the rainwater. C) To increase rainfall amounts. D) To hold the collected rainwater for later use.
A) Copper B) Galvanized steel C) Food-grade plastic D) Untreated wood
A) Use an opaque tank or paint it a light color. B) Wrap it in dark cloth. C) Place a mirror on top of it. D) Heat the tank with a heater.
A) Algae increases the amount of usable water. B) Algae prevents freezing in winter. C) Algae can contaminate the water and affect its taste. D) Algae makes the water look cleaner.
A) Adding sugar. B) Adding dirt. C) Boiling briefly D) Ultraviolet (UV) light
A) Never. B) Only when it rains. C) Once every five years. D) At least twice a year
A) Adding fertilizer to the tank. B) Removing all the water every week. C) Painting the roof black. D) Inspecting and cleaning filters.
A) Water from industrial runoff. B) Water from puddles. C) Rainwater from clean rooftops. D) Water from swamps.
A) Add a little bleach. B) Filter and disinfect it thoroughly. C) Just let it sit in the sun. D) Boil it once.
A) It is always extremely hot. B) It is naturally soft and free of chlorine. C) It contains lots of fertilizer. D) It is often highly acidic.
A) Flushing toilets B) Watering plants C) Drinking water without treatment D) Washing cars
A) Animal droppings on the roof. B) Having a clean storage tank. C) Using a leaf screen. D) Regular rainfall.
A) To prevent rainwater from flowing back into the municipal water supply. B) To clean the tank. C) To increase water pressure. D) To measure the amount of rainwater.
A) Introduce stagnant water. B) Ensure the tank is sealed. C) Add sugar to the water. D) Leave the tank open to attract mosquito predators.
A) To remove sediment, debris, and other particles. B) To add minerals to the water. C) To change the color of the water. D) To increase the amount of water collected.
A) Send a sample to a certified laboratory. B) By tasting it. C) By smelling it. D) By looking at it.
A) Water softener B) Sediment filter C) Carbon filter D) Reverse osmosis filter
A) Use old rusty pipes. B) Use lead pipes. C) Use pipes made from food-grade or potable water-safe materials. D) Use any kind of pipe available.
A) To measure the water level. B) To clean the inside of the tank. C) To allow excess water to escape when the tank is full. D) To add water to the tank.
A) To prevent theft of the water. B) To identify it as non-potable water for irrigation and other uses. C) To make it look more attractive. D) To increase the value of your property.
A) Improved skin health. B) Enhanced immunity. C) Exposure to bacteria and parasites. D) Increased hydration.
A) Remove the gutters entirely. B) Paint the gutters a bright color. C) Use a pressure washer every day. D) Install gutter guards or screens.
A) A location far from your house. B) A location directly under a tree. C) A location near a power outlet. D) A level and stable surface.
A) Contamination of soil and plants. B) Improved soil drainage. C) Reduced water consumption. D) Increased plant growth.
A) Lower installation cost. B) Easier access to the water. C) Reduced risk of contamination and evaporation. D) More natural sunlight exposure.
A) Only when it rains. B) When sediment or debris accumulates at the bottom. C) Every day. D) Never. |