were concerned with the scientific study of voice and gesture and the impact of delivery on the mind. Group of answer choicessophists humanists elocutionists rationalists none of the above

elocutionists

Explanation:

elocutionist - a public speaker trained in voice production and gesture and delivery. orator, public speaker, rhetorician, speechifier, speechmaker - a person who delivers a speech or oration.

how do you know that

explanation:

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.