For a fighting fish in a 15-liter aquarium, the essential accessories needed include a heater to maintain the water temperature between 75-82°F, a filter to keep the water clean and oxygenated, and a thermometer to monitor the water temperature. Additionally, a hiding spot or plants for the fish to feel secure and reduce stress, and a water conditioner to remove chlorine and other harmful chemicals from tap water are also necessary. It's important to ensure that the accessories are suitable for the size of the aquarium and provide a comfortable and healthy environment for the fighting fish. **

These devices used for fighting in Arrow are called "trick arrows." Trick arrows are specialized arrows with various functions such as explosive arrows, grappling hook arrows, and tranquilizer arrows. They are used by the main character, Oliver Queen, also known as the Green Arrow, to combat enemies and criminals in the TV series. **

In street fighting, strength is generally more important than size. Having strength allows a person to deliver powerful strikes and defend themselves effectively. Size can be an advantage in terms of reach and intimidation, but a smaller, stronger individual can still overcome a larger opponent with proper technique and skill. Ultimately, a combination of strength, technique, and situational awareness is key in street fighting. **

In street fighting, mass can be advantageous as it can provide more power behind strikes and make it harder for an opponent to overpower you. However, size alone is not always the determining factor in a fight. Technique, speed, agility, and experience also play crucial roles in determining the outcome of a street fight. It is important to be well-rounded in various aspects of fighting to effectively defend yourself in a street fight situation. **

There have been reports of minors being involved in the conflict in Ukraine, particularly in the eastern regions where fighting has been ongoing. Both Ukrainian armed forces and separatist groups have been accused of recruiting and using minors in the conflict. The use of child soldiers is a serious violation of international law and human rights, and efforts are being made to address and prevent this issue. **

Whether or not to start fighting depends on the situation and the potential consequences. It's important to consider whether the issue is worth fighting for and if there are other ways to resolve the conflict. One should stop fighting when it becomes clear that the situation is escalating and no longer productive, or when it is causing harm to oneself or others. It's important to know when to walk away and seek alternative solutions. **

In sword fighting, a mill is a circular motion made with the sword, typically used to deflect an opponent's attack or to create an opening for a counterattack. The mill can be performed with either the wrist or the whole arm, and it is an important technique for maintaining control and creating opportunities in a sword fight. Masters of swordsmanship often emphasize the importance of mastering the mill in order to become proficient in combat. **

Mating in fighting fish, also known as Betta fish, typically begins with the male building a bubble nest at the water's surface using bubbles and saliva. Once the nest is ready, the male will then court the female by flaring his fins and displaying vibrant colors to attract her attention. The female will then approach the male, and if she is receptive, the two will engage in a courtship dance, where the male wraps his body around the female to release her eggs. The male will then fertilize the eggs as they are released, and he will gather them up in his mouth and place them in the bubble nest for protection. **