Answer:
Doppler Effect
Explanation:
Doppler Effect is a term in Physics that describes the phenomenon experienced when there is change in wave frequency during the relative motion between a wave source and its observer.
In other words, it is referred to as increase or decrease in the level of sound, or other waves as the distance between source and observer is closer or farther from each other, such that it causes change in pitch, which is noticeable by the observer.
For example, when a sound object moves towards an individual or observer, the frequency of the sound waves increases, leading to a higher pitch, and at the same time, when the sound object moves away from an individual or observer, the frequency of the sound waves decreases, leading to a lower pitch. E.g passing siren from ambulance.
Hence, in this case, the right answer is DOPPLER EFFECT
Answer:
The correct answer to the following question will be "Stress buffer".
Explanation:
The idea of either the stress-buffering concept or model is that such services dramatically lessen the effect through a person state of health of stressful occurences.
- Medical conditions can well be associated with a concentration of adverse events, but anxiety and depression could less significance on some more mentally and socially stable individuals.
- This analysis shows social reinforcement can only be effective under stressful or adverse circumstances.
Answer:
The correct answer is option B.
Explanation:
During the period of slowdown in the US economy, the government announced a program of tax rebates. This program classifies as a discretionary policy as it is planned by the government.
Tax rebates will lead to an increase in the disposable income of the consumer. This will cause the demand for goods to increase and further lead to an increase in consumer spending.
This is an example of an expansionary policy.
A balanced and serious tone must be used while making the presentation to make it clear to the audience and the audibility of words and points noted by the presentation are clearly audible.
<h3>What is the presentation?</h3>
The presentation is the demonstration of some specific topic to the target audience or listeners. It conveys important information in the form of a pictorial presentation that can be delivered either in the form of speech, lecture, or any other.
<h3>Reasons for the balanced and serious tone while the presentation</h3>
Therefore, the person delivering the presentation must keep a balanced tone that is much of serious tone while making the presentation because:
- the presentation delivers important points that need to be kept in mind.
- if the tone is not serious then the audience will not keep the note upon the important points.
- the serious tone shows that the topic for the presentation and the person delivering the presentation is following the general rules of speech and presentation.
Therefore, keeping balance in the tone while the presentation is important.
Learn more about presentation skills, refer to the link:
brainly.com/question/7025781
