keep it in a hot place
keep it cold. keep it in a good container. glass or plastic should do. but i don't think wood would be a good thing to store water in. keep it air tight or mold and bacteria will grow.
To preserve the freshness of cilantro for a longer time, you can store it in a glass of water, cover it with a plastic bag, and keep it in the refrigerator. Change the water every few days to maintain freshness.
To keep scallions fresh for a longer time, store them in a glass of water in the refrigerator, changing the water every few days to maintain freshness.
The water will eventually evaporate, leaving a dry, empty glass. Any Impurities or dust in the original water will remain as a slight staining on the glass. If the glass of water had stood in bright sunlight, algae may have formed, making any staining greenish in colour.
put it in a freezer
You should keep a glass thermometer in your mouth for at least 3 minutes to get an accurate reading. Make sure not to talk during this time as it can affect the reading.
it is to keep you safe
ice
No, paper will not keep water cold for the longest time. A metal cup will keep water the same temperature for the longest time. I know this because I did a science experiment about this but instead of cold water I used hot, which won't really make a difference. The next would be glass then paper.
because steel is goood
Certain types of glass, like self-cleaning glass, have a special coating that is hydrophilic, which means it attracts water. When it rains, the water forms a thin sheet on the glass, carrying away dirt and debris as it runs off. This helps to keep the glass looking cleaner for longer periods of time.
If you burn a peanut it will keep aflame for a long time underwater, and boil the water