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Coal is essentially made from dead plant material. Around 200 lion years ago, in the carboniferous period, huge ferns grew in the tropical climate and dead plants sank in the swamp. The dead plant layers forced oxygen out and left rich carbon deposits. The pressure of this layers pressed the water out of the remains of the plants slowly. This first gave rise to brown coal. Hard coal was formed when the pressure increased further. It is found in deeper layers and is a high quality fuel. It is dug out in mines. Brown coal, on the other hand, is mined by using excavators.

One can have fun with friends who have the same interests and hobbies. Friends play together and often go to the same school. One can share certain secrets with friends, which one would not share with parents or siblings. Friends need not to be of same age and children can also have adults as friends. There should be a good understanding and mutual trust among friends.

Sometimes a woman feels unable to cope with her newborn baby, and thinks that it would be better if someone else takes care of the baby. Mothers like these can anonymously leave their babies in'baby flap' provided in some european hospitals. The babies left in the baby flaps are considered to be orphaned and can be adopted by new parents.

Earlier, most people lived in joint families. Children who had lost their parents stayed with their relatives as part of their family. In today's lifestyle, when there are few joint families, it is difficult for orphaned children to become part of family. That why there are orphanages to take care of these children, and some lucky ones are adopted and hence they find a new family. In a family, the children are protected and given emotional and financial support. Apart from having a family,it is also important to have freinds.