Final answer:
The best way to help Earth's water supply last for future generations is through conservation and preservation efforts.
Step-by-step explanation:
The best way to help Earth's water supply last for future generations is through conservation and preservation efforts.
Conservation involves reducing water consumption by using water-efficient appliances and fixtures, fixing leaks, and practicing water-saving habits such as shortening shower time and turning off the faucet while brushing teeth.
Preservation focuses on protecting water sources and ecosystems by avoiding pollution, properly disposing of waste, and implementing regulations to prevent contamination of rivers, lakes, and groundwater.
Learn more about Conservation and preservation of Earth's water supply