yuan hui
yuan hui answered question
Crystallization is a form of separation technique. It is usually used to separate sugar from water. We could not separate sugar from water by heating or evaporation like how we can separate salt from water because sugar would decompose upon heating.
yuan hui
yuan hui answered question
3x+2y=14        2y=14-3x 2xy+5=21          x(14-3x)+5=21                             14x-3x^2+5-21=0                               3x^2-14x+16=0                           … Read more
yuan hui
yuan hui answered question
The designer polymer is a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers which has been designed.
yuan hui
yuan hui answered question
Power is the ability to get things done by others. The principle of power is to punish and reward. Power can exist with or without authority. For instance an armed robber has power but no authority. Whereas authority is the power to enforce law and take command, and to expect obedience from those without authority. … Read more
yuan hui
yuan hui answered question
Three purposes are (1) It sets out ideals that the people bound by the constitution believe in and share. (2) It stablishes the basic structure of government and defines the goverment's powers and duties. (3)  It provides the supreme law for the country.