The biosphere is made up of all living things and their habitat. Life is usually confined to the atmospher,the land surface,the top layer of the soil,and the upper layers of the oceans, lakes and rivers. The existence of life in the upper atm0sphere depends on the supply of water as well as carbon dioxide. Few living things are found above 3 200…[Read more]

The biosphere is made up of all living things and their habitat. Life is usually confined to the atmospher,the land surface,the top layer of the soil,and the upper layers of the oceans, lakes and rivers. The existence of life in the upper atm0sphere depends on the supply of water as well as carbon dioxide.

Perhaps,you think of salt as the one you use for seasoning food,sodium chloride or table salt. The term salts includes all comrounds of metals and nonmetals. A simple salt is formed when a metal combines with one or more nonmetals. Oxygen is usually the second nonmel. Hence.they are called oxysalts. Double salts are formed when two or more metals…[Read more]

Being a parent its so hard to do.but when i remember th0se times how my parent do just to make me happy and comfort.
as n0w im a m0ther of two kids so hard because they just a little need help anytime .when i remember i always fight because thats my parent do to me ,they dont surrender to guide me,to teach me.and love me who i am right n0w.so…[Read more]

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Let us observe several examples of matter and find out how they differ. We may first classify them according to two general categories-homogeneous or heterogeneous. This classification is based on easily observable properties.so as not to get confused,try to rememenber the origin of each term. The term homogenous comes from homo ( the same) and…[Read more]

Let us observe several examples of matter and find out how they differ. We may first classify them according to two general categories-homogeneous or heterogeneous. This classification is based on easily observable properties.so as not to get confused,try to rememenber the origin of each term. The term homogenous comes from homo ( the same) and…[Read more]

Let us observe several examples of matter and find out how they differ. We may first classify them according to two general categories-homogeneous or heterogeneous. This classification is based on easily observable properties.so as not to get confused,trx to rememenber the origin of each term. The term homogenous comes from homo ( the same) and…[Read more]

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. These are properties that are permanent or that depend on the kind of substance itself. For example, we kn0w that pure water is c0l0rless and is a liquid at room temperature; does n0t burn,freezes at 0’c, and boils at 100’C at sea level. Carbon dioxide is a colorless ,odorless gas at room temperature and does not burn. Ethanol, the common…[Read more]