According to our current understanding of dark matter, it cannot be destroyed through conventional means. Dark matter is a hypothetical form of matter that does not interact with light or other forms of electromagnetic radiation, which makes it difficult to detect and study directly. It is thought to make up a significant portion of the total matter in the universe and plays a crucial role in shaping the large-scale structure of galaxies and galaxy clusters.
Dark matter interacts gravitationally with ordinary matter and has been inferred through its gravitational effects on visible matter and the cosmic microwave background. However, it does not appear to interact via the strong nuclear force, weak nuclear force, or electromagnetic force, which are the fundamental interactions that govern the behavior of ordinary matter.
Since dark matter does not interact electromagnetically, it is not susceptible to the usual processes of annihilation or destruction that occur between particles with opposite charges or antiparticles. Therefore, based on our current knowledge, dark matter cannot be destroyed through conventional means.
However, it is important to note that our understanding of dark matter is still incomplete, and there is ongoing research and exploration to unravel its nature and properties. Future discoveries and scientific advancements may provide a deeper understanding of dark matter and the potential for its interaction or destruction through currently unknown mechanisms.