Given that the electricity for home use is 5 cents per kilowatt-hour (kWh), how much would it cost to operate 5 fluorescent 40W light bulbs for the months of April and May if they are on for 3 hours/day? How much less is this than running 5 incandescent 100W light bulbs for 3 hours/day over the same time period?

Which of the following practices is not recommended during a time of water scarcity? a. increasing wastewater recycling b. prohibiting the consumption of bottled water c. raising fines for violating outdoor water restrictions d. improving monitoring and management of local aquifers e. utilizing media to promote awareness of best practices in water management