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Umnica [9.8K]
2 years ago
14

Derick can hit an "A note" by blowing very soft, or by blowing very hard. By changing how hard he blows into the trombone, Deric

k is changing how loud the note is. Which property of waves is he changing when he changes how loud the "A note" is? A. amplitude B. wavelength C. frequency D. direction
Biology
1 answer:
aleksklad [387]2 years ago
7 0

The answer is amplitude.

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Answer:

B. natality + immigration = mortality + emigration

Explanation:

Migration refers to the movement of a group of people from one geographical region (location) to another geographical destination in search of better living conditions, work or social amenities.

Migration selectivity can be defined as the likelihood or tendency that a subset (part) of a group of people are going to move (migrate) out of a particular geographical location or area.

Some of the factors that influence migration selectivity are income level, age, education, gender etc.

Population change equation states that the change in the size of a population over a specific period of time is equal to the sum of the number of births and the number of immigrants that joined.

Mathematically, the population change equation is given by the formula;

Population Change = (Natality - Mortality) + (Immigration - Emigration)

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Which of the light micrographs shows epithelial tissue that forms thyroid gland and secretes hormones?
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</span><span>Its main functions are secretion and absorption. It has an abundance of organelles to facilitate active transport frequently found in glands, such as salivary glands, the thyroid gland, and the pancreas, where its function is secretion. 
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