1 is false, waves can't propagate in a vacuum.
Answer:
Interrupted time series
Explanation:
According to Wikipedia, Interrupted time series analysis, sometimes known as quasi-experimental time series analysis, is an approach for the analysis of a single time series of data known or conjectured to be affected by interventions (controlled external influences).It refer to the specific point at which the intervention was implemented and allow researchers to examine the effect of an intervention where multiple observations are obtained prior to the intervention to establish a baseline.
B.................................................
The correct answer would be option B. Transitional Argument. The second sentence in this paragraph is an example of a transitional argument. What makes this sentence a transitional argument because of the introductory word "fortunately" which signals a transition of ideas in the paragraph.
Five skills that are necessary for helping others. are :
- leadership
- communication
- problem-solving
- teamwork.
<h3>What is skill?</h3>
Skill serves as the the ability that is needed to carry out some action very well.
For instance, social skill is needed by someone that need to socialize with other and it is needed to develop a good relationship with other people some as to be able to help them,.
Learn more skills at:
brainly.com/question/24452126
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