Opponents of have argued that the related agreements are dangerous because such agreements advance and establish procedures that protect participating nations from the benefits of free trade.

Externalities or spillover occurs when some of the benefits or the costs of production are not fully reflected in market demand or supply schedules.

Money believe but i may be wrong

With reference to the solutions, following things may be noted1) homogeneous solutions comprises of single phase.2) heterogeneous solution comprises of more than one phase.3) in colloidal solution, solute is evenly distributed in solvent. in such system, it is difficult to separate solute and solvent.4) in suspension, there is an uneven distribution of solute in solvent. in such system, solute and solvent gets separated on standing long.    blood is a homogeneous and colloidal solution,salad dressing is a heterogeneous and suspension solution.