Which statement BEST describes the phenomenon illustrated in the model? A. Sound waves are being absorbed by the drum

B. Sound waves are being transferred from the mallet to the drum

C. Sound waves are being reflected by the drum

D. Sound waves are being transmitted through the air in the drum.

D. Sound waves are being transmitted through the air in the drum.

Explanation:

Sound waves are being transmitted through the air in the drum because sound waves needs medium for their propagation from one place to another. Sound waves are considered as longitudinal waves due to parallel movement of air molecules to the velocity of the wave. The sound waves moves from one place to another through solid, liquid and gaseous medium. It moves fastest in solids but with lower speed in gases.

the correct answer is ) possibility.

demonstrating opportunity cost is done through production possibility.

the opportunity cost can be demonstrated using the production possibility frontier or curve. this graphic shows the total number of possibilities for two products when we have the resources needed and used in an efficient manner. the main resources could be money, labor, and technology. the curve shows that the production of one good increases when the production of the othe

a: social security and social programs