During a student speech, the campus landscapers begin mowing the lawn, making the student’s presentation difficult to hear. The audience is experiencing , one of several listening obstacles.

Noise

Explanation:

Noise can be described as a type of sound that causes distraction; this sound can be generated from various sources. It is a major hurdle to active listening as it disrupts an individual's ability to understand the message that is being communicated correctly.

Active listening requires an environment that is free from any type of strange sound which is capable of placing a barrier to proper communication.

In the scenario described above, the sound coming from the campus landscaper that was mowing the lawn is an example of noise. This sound coming from the lawnmower hinders the audience from understanding the message that is being passed during the student's presentation.

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.