Questions

A mixture is made from different substances that are not chemically joined.Compound:

•Two or more elements combine together chemically to form a new substance called compound.

•The different elements are chemically joined together.•Compounds are homogeneous, i.e. their properties are the same throughout

•The compound has properties different from the elements it contains.

•It can only be separated into its elements using chemical reactions. (not using physical methods)

•During the formation of a compound from its elements, a certain amount of energy in the form of heat, light, electricity is either absorbed or evolved

They describe the details of how data is stored in the computers

Fathometer is used to measure the depth of the ocean.

The organs protected by the thoracic cage include the lungs and the heart.

In business, a takeover is the purchase of one company by another.

The llama, its wild cousin , the Vicuna and hump-less Alpaca are also found in the high pasture lands of the Andes region of Bolivia and peru, where they are useful as beasts of burden and for the production of fleece and meat.

The freezing point of water and melting point is 0 °C or 32 °F. The temperature may be lower if supercooling occurs.