Bất kì hàng hóa nào cũng có 2 thuộc tính là giá trị sử dụng và giá trị trao đổi đúng hay sai

answer; ///i believe the best answer from the above question is (c) a method of making a purchase by trading items instead of using money; plz check first.good luck

drop shippers;

among other factors, composers started writing dynamic markings in their scores because "new instruments allowed for more dynamic ranges and contrast."

dynamics allude to the loudness or softness of music. dynamics offer an approach to demonstrate articulation in sheet music. they to drive the enthusiastic substance of music through volume and force. maybe you could alter both the volume and the shading profundity on your screen at the same time. we can likewise think about the force side of elements as the quality of a note. a few notes are intended to be played delicately and gently, while others are intended to be played all the more firmly.  

some dynamics markings have a letter 'm,' which remains for mezzo, signifying 'medium.' so a mezzo piano unique stamping resembles this (mp) and intends to play medium calm, while a mezzo specialty dynamic resembles this (mf) and intends to play medium loud.

answer blank(1).(2); sharpe;