Answer:
Sounds are higher or lower in pitch according to the frequency of vibration of the sound waves producing them. ... A high frequency (e.g., 880 hertz [Hz; cycles per second]) is perceived as a high pitch and a low frequency (e.g., 55 Hz) as a low pitch.
Explanation:
Answer:
50 percent
Explanation:
According to my research on National Estimates, I can say that based on the information provided within the question it indicates about 50 percent of instances of disease and premature death are the result of unhealthy lifestyles. This information is based on surveys conducted all over the United States in 2018.
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The government so your answer is letter B
Advertising, a promotional tool uses paid, non-personal presentation and promotions by an identified sponsor.
Advertising is the practice and techniques employed to carry interest to a services or products. advertising pursuits to place a product or service in the highlight in hopes of drawing it attention from customers.
Examples of above-the-line advertising and marketing are television, radio, & newspaper commercials. under-the-line advertising includes conversion-centered activities which can be directed in the direction of a particular target group. Examples of beneath-the-line advertising are billboards, sponsorships, in-shop marketing, etc.
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The Aksum Empire was the result of two world hubs sharing their collective learning about agriculture, and rose to become a great power in the ancient world because it formed a crucial link between East and West on the supercontinent of Afro-Eurasia.
