It depends on the specific occurrences being referred to. Without more context, it is difficult to determine whether the occurrences are normal or not. It would be helpful to provide more information in order to assess the situation accurately. **

Strange occurrences at night can include unexplained sounds, mysterious lights, or unusual animal behavior. People may also report seeing shadowy figures or experiencing feelings of being watched. Some individuals may have strange dreams or sleepwalking episodes that they cannot explain. These occurrences can be unsettling and leave people feeling uneasy or spooked. **

One mysterious occurrence that comes to mind is the Bermuda Triangle, where numerous ships and planes have disappeared under unexplained circumstances. Another mysterious occurrence is the phenomenon of spontaneous human combustion, where individuals have seemingly burst into flames without any external ignition source. Additionally, there are numerous reports of unidentified flying objects (UFOs) and encounters with extraterrestrial beings that continue to baffle scientists and researchers. These mysterious occurrences continue to captivate the public's imagination and spark curiosity about the unknown. **

Some strange occurrences in my street include mysterious noises coming from an abandoned house, strange lights flickering in the sky at night, and reports of pets going missing without a trace. Additionally, there have been sightings of a figure lurking in the shadows, and unexplained power outages that seem to happen at random times. These occurrences have left the neighborhood feeling uneasy and curious about what could be causing them. **

No, fire-breathing dragons would not be biologically possible. The ability to breathe fire would require a biological mechanism to produce and expel a flammable substance, as well as a way to ignite it. There are no known biological systems that could accomplish this, and the energy required to produce and expel fire would be impractical for a living organism. Additionally, the heat and pressure from breathing fire would likely be harmful to the dragon's own body. Therefore, fire-breathing dragons are purely a product of mythology and fiction. **

Deposits refer to concentrations of a mineral or resource that can be economically extracted, while occurrences are simply instances where a mineral or resource is found in nature. Deposits are typically larger and more concentrated than occurrences, making them more viable for commercial mining or extraction. Occurrences can be useful for exploration purposes to indicate the presence of a mineral or resource in a particular area, but further evaluation is needed to determine if it is a deposit worth developing. **

Paranormal phenomena or occurrences refer to events that are beyond the scope of scientific understanding or explanation. These can include ghosts, poltergeists, telekinesis, telepathy, and other unexplained phenomena. Paranormal occurrences are often associated with the supernatural or the occult and are believed to defy the laws of nature. Many people are intrigued by paranormal phenomena and seek to investigate or understand these mysterious occurrences. **

Paranormal phenomena or occurrences refer to events that are beyond the scope of scientific understanding or explanation. These can include experiences such as ghosts, UFO sightings, telekinesis, and psychic abilities. Paranormal occurrences are often considered to be outside the realm of normal scientific understanding and are often attributed to supernatural or unexplained forces. **