The boiling point and separation of the petroleum oil
The boiling point The boiling point is the temperature at which a matter begins to change from a liquid state to a gaseous state, The change of matter from the liquid state to the...
The boiling point The boiling point is the temperature at which a matter begins to change from a liquid state to a gaseous state, The change of matter from the liquid state to the...
The ovum (the egg cell) is the female reproductive cell in the female reproductive system, It is large (as sesame seed size) due to the storage of the nutrient materials.
The echo The echo is a repetition of sound produced due to its reflection, It can be used to tell how far away an object is, how fast the object is moving, and even...
The melting point The matter exists in three states which are solid, liquid and gas, and the matter can change from one state to another by heating, The change of matter from the solid-state...