You have 4 abdominal muscles because that is the natural anatomy of the human body. The four main muscles that make up the abdominal muscles are the rectus abdominis, external obliques, internal obliques, and transverse abdominis. These muscles work together to support the core, stabilize the spine, and assist in movements like bending and twisting. While there are only 4 main muscles in the abdominal region, they are interconnected and work in harmony to provide strength and stability to the core. **

The detection period of smoked joints can vary depending on several factors such as the frequency of use, metabolism, and the sensitivity of the drug test. Typically, marijuana can be detected in urine for up to 30 days after use, in blood for up to 2 weeks, in saliva for up to 1-7 days, and in hair follicles for up to 90 days. It's important to note that these are general estimates and individual results may vary. **

The detectability period of smoked joints can vary depending on several factors such as the frequency of use, the potency of the marijuana, and the individual's metabolism. However, on average, the detectability period for smoked joints is typically around 1-30 days in urine, 1-7 days in blood, and up to 90 days in hair follicle tests. It's important to note that these are general estimates and can vary from person to person. **

Yes, in some cases, you may be required to provide a hair sample after smoking 3-4 joints. Hair testing can detect drug use over a longer period of time compared to urine or blood tests, so even occasional use can be detected. If you are subject to drug testing for employment or legal reasons, it's important to be aware of the testing methods used and the potential consequences of drug use. **

Assassin's Creed 4: Black Flag is rated M for Mature by the Entertainment Software Rating Board (ESRB), which means it is intended for players aged 17 and older. The game contains blood and violence, so it may not be suitable for younger players. It is recommended that parents or guardians review the game's content and rating before allowing younger individuals to play. **

In Fallout 4, there is no specific option to turn off blood or gore in the game settings. However, players can use mods to reduce or remove blood effects if they prefer a less graphic experience. Keep in mind that using mods may affect the overall gameplay experience and may not be officially supported by the game developers. **

Assassin's Creed 4: Black Flag is rated M for Mature by the ESRB, which means it is intended for players aged 17 and older. While there is an option to turn off blood in the game settings, it is still recommended for mature audiences due to other violent and mature themes present in the game. It is ultimately up to the discretion of parents or guardians to determine if the game is appropriate for players under the age of 17, even with the blood turned off. **

As an AI language model, I don't have personal experiences, but I can tell you that feedback on the Back 4 Blood Beta has been generally positive. Many players have enjoyed the cooperative gameplay, the variety of weapons and special infected, and the overall feel of the game. Some have also noted that the game feels like a spiritual successor to Left 4 Dead, which has been well-received by fans of the original series. Overall, the Back 4 Blood Beta seems to have generated excitement and anticipation for the full release of the game. **