2. In average households, what uses the most water each day?
A. toilet
B. shower
C. faucet
D. washing machine
3. What does lead exposure cause in children?
A. developmental delays
B. diarrhea
C. increased appetite
D. cancer
4. Kieran is working on reducing his water usage. Which of the following should he do?
A. use sprinklers to water his vegetable garden
B. replace his conventional soap with biodegradable soap
C. run his dishwasher only when it has a full load of dishes
D. take baths instead of showers
6. Wastewater from which source is technically considered graywater, but should be treated as blackwater?
A. kitchen sink
B. toilet
C. shower
D. washing machine
2. C. faucet
3. A. developmental delays
4. C. run his dishwasher only when it has a full load of dishes
6. B. toilet
2. In average households, the toilet uses the most water each day (A).
3. Lead exposure in children can cause developmental delays (A).
4. To reduce his water usage, Kieran should run his dishwasher only when it has a full load of dishes (C).
6. Wastewater from the toilet is technically considered graywater but should be treated as blackwater (B).
2. The answer to this question is A. toilet. To determine which uses the most water each day in average households, we need to consider the water consumption of each option: toilet, shower, faucet, and washing machine. One way to find this information is by looking up average water usage statistics for each of these appliances. These statistics can be found in various sources such as water conservation websites, government reports, or studies on household water usage. By comparing the average water consumption of each option, we can determine which one uses the most water each day.
3. The answer to this question is A. developmental delays. To understand the effects of lead exposure in children, we need to explore the research and information available on this topic. This can be done by searching for studies, reports, or expert opinions related to lead exposure and its impact on children's health. By reviewing this information, we can determine that developmental delays are one of the effects of lead exposure in children. It's important to rely on credible sources such as reputable research institutions or health organizations to ensure accurate and reliable information.
4. The answer to this question is C. run his dishwasher only when it has a full load of dishes. To identify the best way for Kieran to reduce his water usage, we need to consider the options provided and assess their potential impact on water consumption. In this case, we can analyze the options by understanding their water-saving potential. By considering the water usage of each option, we can determine that running the dishwasher only when it has a full load of dishes is the most effective choice for reducing water usage. This choice minimizes the frequency of dishwasher use and ensures maximum efficiency in water consumption.
6. The answer to this question is B. toilet. To understand the classification of wastewater as graywater or blackwater, we need to have knowledge of wastewater categorization and treatment standards. Graywater is typically defined as wastewater generated from sources other than toilets, such as sinks, showers, or washing machines. On the other hand, blackwater refers to wastewater from toilets that contains feces and urine. While wastewater from kitchen sinks, showers, and washing machines can be considered graywater, wastewater from toilets is usually treated as blackwater due to its contents.