Personal authority refers to the influence and power an individual has based on their personal qualities, such as charisma, expertise, or leadership skills. Professional authority is derived from an individual's expertise, qualifications, and experience in a specific field or profession, giving them credibility and influence in that area. Official authority, on the other hand, is granted by an organization or institution, such as a government or company, and is typically associated with a specific role or position of power, such as a manager or a government official. While personal and professional authority are based on individual qualities and expertise, official authority is tied to a specific position or title within an organization. **

To mount a compass attachment onto a compass, first ensure that the attachment is compatible with the specific model of compass. Then, carefully align the attachment with the designated mounting area on the compass. Depending on the design, you may need to use screws, adhesive, or other fastening methods to secure the attachment in place. It's important to follow the manufacturer's instructions and make sure the attachment is securely mounted to ensure accurate readings. **

A suitable diving mask for diving should have a comfortable and secure fit to prevent water from entering. It should also provide a wide field of vision for better underwater visibility. Additionally, the mask should be made of high-quality materials that are durable and able to withstand the pressure of diving at various depths. Lastly, it is important to choose a mask with tempered glass lenses to ensure clarity and safety underwater. **

The compass was invented by the Chinese during the Han Dynasty, around the 2nd century BC. **

Without more information or context, it is impossible to determine if the compass is broken. To determine if the compass is broken, one would need to check if the needle is moving freely, if there are any visible damages, or if it is functioning properly when compared to a known direction. If the compass is not pointing north or is not responding correctly, it may be broken and in need of repair or replacement. **

You can search for a compass at outdoor recreation stores, camping supply stores, or online retailers. Look for a compass that is durable, accurate, and easy to read. Consider features such as a liquid-filled capsule for stability, a clear base plate for map reading, and a declination adjustment for precise navigation. Make sure to choose a compass that suits your specific needs, whether it's for hiking, backpacking, orienteering, or general outdoor use. **

Diving from a diving board involves a combination of physics and technique. When a diver jumps off the board, they convert their potential energy into kinetic energy as they accelerate towards the water. The diver's body position and movements during the dive affect their rotation and trajectory. The goal is to enter the water smoothly and vertically to minimize splash and maximize the score from the judges. The height of the diving board and the diver's initial velocity also play a role in determining the difficulty and execution of the dive. **

The compass had a significant impact on navigation and exploration. It allowed sailors to determine their direction at sea, which was crucial for long-distance voyages. This technology revolutionized maritime travel and played a key role in the Age of Exploration, enabling sailors to venture into unknown territories and discover new lands. The compass was used for navigation on ships, guiding them across the oceans and opening up new trade routes and connections between different parts of the world. **