Involuntary as the muscle is a reflex
I believe it is a combination of polygenic inheritance and environmental factors. Several genes control the height in humans, giving an overall normal distribution. Environmental factors on the other hand such as nutrition smooth out the curve. It is therefore important to note that Human height is a quantitative, or metric trait, that is, a characteristic that is measured in quantity, and is controlled by multiple genes and environmental factors.
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Homeostasis is the ability to keep a stable internal state, despite changes in the environment. All living organisms must regulate their internal environment to process energy and survive. Hope it helps
D I believe but im not sure
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Explanation:
The rights of the resource depends on the resource in question. For example, an abundant resource such as Air would be considered a birthright, and no one can actually hold the rights to it, also since it cannot be taken. On the other hand, limited resources such as water would fall under the rights of the landowner. Therefore, any and all land property rights in the country would apply to the body of water, limited to the boundaries of the land. Meaning that if a stream or body of water passes the individual's land it is also within the rights of the owner of the other piece of land in which the water passes through.