Thank you for your service.
Everything burns calories, even breathing. That doesn’t make it exercise. The only things on that list that could count are shoveling snow, moving furniture, and gardening, depending on what you are doing.
These kind of articles are dangerous and misleading. There is no amount of house work that is going to give you a healthy heart.
I have a dog and vacuum almost daily, it’s not exercise compared to taking him on a 2 mile walk that takes the same amount of time.
1 and 2, but really only 1. If I can talk to oysters then I can figure out how to grow black pearls better and make some serious cash. If the oysters decide they don’t want to help then I can sell gravel.