I think it is 2)
Hope this help you?
I believe the answer is <u>because economics is a science and must be precise.</u>
Hope I helped.
Answer:
Martin Luther King Jr used words that changed how people view African American people (or black people in general). his speech changed the way Europeans saw the blacks; not as inferiors, but equals, and as in the words of God "all men are created equal" he used strong and vivid words in his speech to really change the people's view. After his assassination, everyone had remembered his speech and used that to change the society that we live in today
Explanation:
I mean that's what I remember, and if it's incorrect, I deeply apologize
Based on research, it has been determined that the human circadian rhythm appears to be just over 24 hours.
Circadian rhythms are physical, mental, and behavioral changes that follow a 24-hour cycle.These natural processes respond primarily to light and dark and affect most living things, including animals, plants, and microbes.
One example of a light-related circadian rhythm is sleeping at night and being awake during the day.
Circadian rhythms can influence important functions in our bodies, such as: hormone release , Eating habits and digestion and Body temperature.
However, most people notice the effect of circadian rhythms on their sleep patterns.
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