Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to be environmentally friendly [title] Conserve water at home. [step] It takes a lot of energy to bring water from rivers, groundwater, or whatever your local water source is into your home. Water must be pumped to a treatment plant, filtered and treated with chemicals to clean it, then pumped into your neighborhood so you can use it home.

Ending1: It may sound intimidating but it's actually very important that you have gallons of water every day. Thinking of this as a necessity, and feeling the water you use everyday increases your infrastructure and may benefit your children as well. Ending2: Saving as much water as possible reduces the stress this whole process puts on natural bodies of water in the environment. Here are a few ways to conserve water : [substeps] Use the low-water dishwashing method. Ending3: You can use water from rainwater, recycled water from bottled water, or any other source that you can change locally. [substeps] Buying water from a local water source may mean running your tap over, rinsing your filters, and removing filter sediment and dead, dried out water. Ending4: Water treatment chemicals come in six basic categories. The first one is chlorine, which is concentrated in the water and removes slowly.

Answer format: ending1/ending2/ending3/ending4