Which career is best described by someone who buys materials, products, and services for an organization? O Wholesale Buyer
O Marking Clerk
O Purchasing Agent
O Stock Clerk

Purchasing Agent

Explanation:

Purchasing agents work in the procuring department under the purchasing manager. Their role is to procure supplies, equipment, and services for a company. Purchasing agents ensure the business operations do not stop due to lack of supplies.

Ideally, purchasing agents should be good negotiators. They have to balance cost and quality when purchasing. The objective is to buy the best quality of goods or services for the lowest price and adequate quantities.

b. take periodic breaks and alternate between tasks.  

will increase work efficiency, and avoid health issues.

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.