The correct answer is chromatic alterations.
Chromatic Alterations or Chromaticism is defined as the altered pitches that are found outside the range of a certain musical composition. The symbols used to show chromatic alterations are known as "accidentals". Enharmonic Equivalence is defines as the pitches that share the common pitch-space, yet they are spelled differently from one another.
ROE stands for Rules of Engagement. Those are military directives meant to describe the circumstances under which ground, naval, and air forces <span>will initiate and/or continue combat </span>engagement.<span>
At the tactical level, rules of engagement (ROE) are tied to the mission profile.</span>The ROE are tailored to the specific mandate of the mission and the situation on the ground.
Answer:
It's an example of Demographic trends.
Explanation:
Demographic trend can be defined as the measurable change in the characteristics of a population over time e.g. Change in concentration of a particular ethnic group, age-group, occupation, religion, political view, sex ratio, etc.
Since the population in the U.S. is aging which means there will be an increased need for health care professionals in the future it indicates a demographic trend.
