Water is essential to animals and plants. Without water, we can't survive. And even if we do, without clean water to drink, it will be nasty, painful, and will make the drinker very ill.
The drinking water may not contain any concentration of micro-oranism, parasites or any substance which can be harmful to human health. And it should not be acidic, or basic,0 It cannot be ocean water, and It cannot be water found near trashs,
we did labs in our class. We tested ph levels, boiling point, freezing point, and oxygen level. And we noticed that those things vari depending on the purity of water. For example, distilled water and 7-up had very different data.
we shoud be able to test water with these methods. and i think everyone needs access to clean water.
