If they talk to themselves,laugh when nobody is around and they do not have the TV on or are laughing when they do not have their smartphone nearby.Also crying a lot for no reason.If they say that they hear voices when nobody is around.If they do things that do not make any sense.Maybe they need to talk to someone such as a friend as they could be going through a tough time. If someone did have a talk with the person and things did not get any better, maybe professional help is needed.
it is a combination reaction or oxidation reaction.
Answer : The chemical reaction which takes place when Magnesium wire is burnt in air is Combination Reaction. Another type of reaction also takes place which is called Exothermic Reaction because heat or energy gets released when it is burnt in air.
Im not positive but i think it is When it is a gas?
'The Sedimentary rock formed from years of sediments piling on top of it and being compressed.'
