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Question 1 (Multiple Choice Worth 1 points) [FW.02]Caves are formed by the actions of acid rain plant roots river water groundwater Question 2 (Multiple Choice Worth 1 points) [FW.02]The pictures below show a cave and a geyser. image on the left is a cave, image on the right is a geyser Which of these statements is correct about the cave and geyser shown in the pictures? Both are formed when groundwater gets heated. Both are formed when groundwater reacts with the limestone in rocks. The cave is formed when groundwater reacts with the limestone in rocks and the geyser is formed when groundwater gets heated. The cave is formed when groundwater gets heated and the geyser is formed when groundwater reacts with the limestone in rocks. Question 3 (Multiple Choice Worth 1 points) [FW.02]The pictures below show four Earth features. image 1 is a sinkhole, image 2 is a cave, image 3 is a geyser, and image 4 is a hotspring Which of these features are formed by underground reactions between acid in groundwater and limestone? 1 and 2 2 and 3 3 and 4 1 and 4 Question 4 (Multiple Choice Worth 1 points) [FW.02]One student designed an experiment with sugar, water, and sand. The steps of the experiment are shown below. Make a thumb size hole at the bottom of an 18 oz styrofoam cup. Roll a piece of paper into a tube and place it in the middle of the cup over the hole. Fill the tube with sugar and surround the tube with sand. Pull out the paper tube slowly from the cup and then dip the cup into a beaker of water. Watch the sugar cubes dissolve in water to form gaps in the sugar layer. The student's experiment demonstrates the formation of wells geysers springs sinkholes Question 5 (Multiple Choice Worth 1 points) [FW.02]The diagram below shows the movement of matter in a portion of the water cycle. The diagram shows the text 'Surface water' in a rectangular box, below it the symbol '?' is an empty rectangular box. In between the two boxes the text 'Infiltration' is beside an arrow point down, and the text 'Springs' is beside an arrow pointing up. What does the empty box most likely represent? rivers runoff precipitation groundwater Question 6 (Multiple Choice Worth 1 points) [FW.02]One student did an experiment with sand, gravel, food coloring and water. The steps of the experiment are shown below. Fill about half of a plastic cup with layers of gravel and sand. Pour water into the cup and observe it seep through the layers. Add two drops of food coloring on one side of the gravel layer. Observe the food coloring mix with the water. What does the student's experiment most likely demonstrate? movement of groundwater through sinkholes movement of pollutants through the groundwater chemical reaction between acid rain and groundwater chemical reaction between groundwater and layers of earth Question 7 (Multiple Choice Worth 1 points) [FW.02]The information on groundwater obtained from a secondary source should always be rejected accepted published rechecked Question 8 (Multiple Choice Worth 1 points) [FW.02]A location gets its drinking water from wells drilled into the Earth. The people in the location have reported that their drinking water has a foul smell since a few days. A student investigates the cause of the foul smell in the drinking water and concludes that a gasoline spill about a year ago has caused the contamination in groundwater. Why is the student's conclusion most likely invalid? it is based on information obtained from a secondary source there is no published information about gasoline spills in the locality it is biased against gas companies which may not always cause gasoline spills there is a large time gap between the gasoline spill and contamination of water Question 9 (Multiple Choice Worth 1 points) [FW.04]One student suggests using bottled water for washing clothes to conserve water. Which of these statements best describes the suggestion made by the student? It is practical because it is easy to implement. It is practical because a huge amount of water can be conserved by this method. It is not practical because bottled water costs more than tap water. It is not practical because water use is not reduced by buying water from an outside source. Question 10 (Multiple Choice Worth 1 points) [FW.04]One group of students uses different methods to conserve water as listed below. Method 1: Use a hose instead of a broom to clean sidewalks. Method 2: Shorten duration of shower by a minute or two. Method 3: Reuse water from cooking to water plants. Method 4: Use running water to thaw frozen food. Which of these methods would conserve the most water? Method 1 and Method 4 Method 2 and Method 3 Method 3 and Method 4 Method 4 and Method 2 Question 11 (Multiple Choice Worth 1 points) [FW.04]“Taking a short shower instead of a bath saves about 40 gallons of water.” Who is the most reliable source of this information? a farmer a politician a scientist a meteorologist Question 12 (Multiple Choice Worth 1 points) [FW.04]A newspaper article states that toilet flushes waste about 7 gallons of water per flush. Why is this information most likely to be incorrect? newspapers do not generally give reliable information the information provided by newspapers does not have scientific basis scientific investigation shows that low flush toilets use about 1.6 gallons of water per flush it is not possible for newspaper journalists to measure the exact amount of water used by a toilet flush
Caves are formed by acid rain.
Caves are formed by groundwater.
Second answer is right lol