Aengus is speaking in monotone. He asks the audience a rhetorical question, but most of the audience members don’t realize this because his voice does not go up at the end of the sentence. This is an example of using poor .

A articulation
B pitch and inflection
C pronunciation
D vocal quality

A. Articulations. The moral of the story is: don’t speak in monotone kids

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

producing or giving rise torelating to or engaged in the production of goods, crops, or other commodities.

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

The changes to agriculture in the united states since 1900 is that increased mechanization has increased food production, thereby increasing the need for labor. there has been an increased need for higher speeds of food production due the fact that the population in the united states continues to rise.