Bone is a type of connective tissue, with specialized cells embedded in a matrix. The matrix of bone consists of ground substance and fibers.
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Answer:
In chemistry and quantum mechanics, an orbital is a mathematical function that <u><em>describes the wave-like behavior of an electron, electron pair</em></u>, or (less commonly) nucleons. An orbital may also be called an atomic orbital or electron orbital.
Explanation:
BRAINLIEST?
The composition of a star is abundant in hydrogen and helium, both of which are two of the lightest elements. Because they are very light, they are usually unstable. To becomes stable, hydrogen atoms spontaneously combine with each other through a radiation process called nuclear fusion, to yield helium atoms. This process requires very high energy in the form of heat. Therefore, these lighter elements are burned in order to keep the star alive with energy.
Therefore, the answer is D.
Global warning I'm not sure
