The unit for illuminance is the lux (lx). Lux is defined as one lumen per square meter. It is used to measure the amount of light that falls on a surface, indicating the brightness or intensity of light at that point. Lux is commonly used in lighting design, photography, and other applications where the level of light is important. **

I think the idea of abolishing deep-sea fishing and expanding coastal fishing has its merits. Deep-sea fishing can have a significant impact on marine ecosystems and can lead to overfishing of certain species. By focusing on coastal fishing, we can potentially reduce the negative impact on deep-sea ecosystems and promote more sustainable fishing practices. Additionally, expanding coastal fishing can also benefit local communities and small-scale fishermen, providing economic opportunities and supporting local food systems. However, it's important to carefully manage coastal fishing to prevent overfishing and ensure the long-term sustainability of marine resources. **

The illuminance of a surface decreases by a quarter of its value when the distance to the light source is doubled because of the inverse square law. This law states that the intensity of light at a point is inversely proportional to the square of the distance from the source. When the distance is doubled, the light is spread out over four times the area, resulting in a decrease in illuminance by a factor of four. This is why the illuminance decreases by a quarter of its value when the distance to the light source is doubled. **

To calculate the illuminance at a different distance from the light source, you can use the inverse square law. This law states that the illuminance is inversely proportional to the square of the distance from the light source. So, if the illuminance is given at one meter, you can calculate the illuminance at a different distance by using the formula: E2 = E1 * (d1/d2)^2, where E1 is the illuminance at one meter, d1 is the distance at which E1 is measured, E2 is the illuminance at a different distance, and d2 is the distance at which E2 is to be calculated. **

Maritime law is applicable to matters that occur on the sea, including shipping, navigation, and marine commerce. It governs issues such as maritime accidents, pollution, and salvage operations. Maritime law also covers contracts and disputes related to maritime activities. Therefore, it is applicable in situations involving maritime activities and disputes that occur at sea. **

Maritime security refers to the measures and practices put in place to protect the safety and security of maritime activities, including shipping, ports, and coastal areas. This includes efforts to prevent illegal activities such as piracy, smuggling, and terrorism, as well as ensuring the safety of vessels, crew, and passengers. Maritime security also encompasses the protection of marine resources and the environment, as well as the enforcement of laws and regulations related to maritime activities. Overall, maritime security aims to maintain the safety and stability of the world's oceans and waterways. **

Coastal waters are the areas of the ocean that are near the shore and influenced by the land. They are typically shallow and can include bays, estuaries, and inlets. These areas are important for a wide variety of marine life and are also used for recreational activities such as swimming, surfing, and fishing. Coastal waters are also vulnerable to pollution and human activities, making them a focus of conservation and management efforts. **

A scenic concert is a musical performance that takes place in a visually stunning or picturesque setting, such as a natural outdoor amphitheater, a historic landmark, or a beautiful garden. These concerts often aim to enhance the overall experience by combining music with the beauty of the surroundings, creating a unique and memorable atmosphere for the audience. Scenic concerts can range from classical music performances in a grand cathedral to contemporary music festivals in a scenic countryside setting, offering a diverse range of experiences for music lovers. **