of our earth is covered with water. The ocean is a beautiful place and many creatures live in it. We must keep water clean because it is very very useful and helps us a lot and with a lot of things we do such as drinking, washing, bathing, and many more.
For the English speaking folks this wonderful and very true quote: "Sometimes you just need to stand up and leave, so the person on the other side of the seesaw falls on the ground and notices how you have been carrying him/her." - by RUMAG