Neither of these are minerals, B.
Its not A because, they are not natural materials but instead made up of natural materials, like a rubber tree.
Its not C because, like I said, plastic is made from rubber trees, this garentees it doesnt have a crystal structure.
Its not D because, concrete is not a mineral and has indefinite composition.
The carbon cycle maintains the balance between the organic remains and carbon dioxide. In this cycle the the incorporation of carbon dioxide inside the plants by photosynthesis occurs and it is returned to the atmosphere by the process of respiration as well as the decaying dead organisms.
The answer is Poliomyelitis. Poliomyelitis or also called as Polio, is a kind of disease involving a virus known as polio-virus that attacks the different parts of the nervous system that results to the paralysis of limbs or different parts of the body.
Answer: Negative feedback serves to reduce an excessive response and to keep a variable within the normal range. Negative feedback loops control body temperature and the blood glucose level.
Mangroves<span> provide a number valuable </span>ecosystem services<span> that contribute to human well being including provisioning, regulating ,and habitat.
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