The number of people needed to carry a sofa depends on its size and weight. Generally, a standard-sized sofa can be safely carried by two people, with one person at each end. However, if the sofa is particularly large or heavy, it may be safer and more manageable to have three people carry it, with one person in the middle for extra support. It's important to assess the size and weight of the sofa before deciding how many people are needed to carry it safely. **

No, new posts on Instagram do not make older posts disappear. When you post a new photo or video on Instagram, it simply gets added to your profile and appears in the feed of your followers. Your older posts will still be visible on your profile and can be accessed by scrolling through your feed or by using the search function. Instagram does not remove older posts when new ones are added. **

There are a total of 10 posts in this conversation. **

Swamp and marsh areas tend to be foggier due to the high levels of moisture present in these environments. The water in swamps and marshes evaporates easily, creating a humid atmosphere that is conducive to fog formation. Additionally, the dense vegetation in these areas can trap moisture and prevent it from dissipating, further contributing to the foggy conditions. The combination of these factors makes swamp and marsh areas more prone to fog compared to other environments. **

Marsh and swamp areas are usually foggier because of the high levels of moisture present in these environments. The water in marshes and swamps evaporates during the day, increasing humidity levels in the air. When the temperature drops at night, the moisture in the air condenses, creating fog. Additionally, the dense vegetation in marshes and swamps can trap moisture and prevent it from evaporating, contributing to the foggy conditions in these areas. **

Yes, Facebook does have the ability to delete posts. Posts can be deleted by the user who created them, by the page or group administrator, or by Facebook itself if the content violates their community standards. Facebook regularly monitors and removes posts that contain hate speech, violence, harassment, or other inappropriate content. **

There is no specific individual or entity that deletes all posts. The ability to delete posts typically lies with the user who created the post, or with the platform or website administrators who have the authority to remove content that violates their terms of service. In some cases, law enforcement or government agencies may also have the authority to request the removal of certain posts for legal reasons. Overall, the responsibility for deleting posts is distributed among various parties depending on the specific circumstances. **

Three categories for City-Country-River could be: 1. Names: Participants can choose cities, countries, and rivers based on their names, such as Paris, Canada, and Rhine. 2. Geography: Players can select locations based on their geographical features, like Tokyo, Brazil, and Mississippi River. 3. Population: Another option is to pick places based on their population size, for example, New York City, China, and Nile River. **