Why is it unlikely that dark matter is composed mostly of stars

Dark matters are those matters that constitute more than 85% of the matters that exist in the universe. These are known as the dark matters because they do not reflect light or any kind of radiation. It comprises of the maximum mass in the universe but does not directly interact with the universe.

These matters are comprised of dark stars that generate heat due to the destruction of its particles and radiates a dark energy. This destruction of stars takes place due to the gravitational collapsing. These matters are usually non-baryonic in nature, with no interaction between lights and any kinds of materials in space. So, dark matters are mostly comprised of stars.

b - the respond is innate and varies over time.

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what school and grade?