If the joinage of bolt and metal fragment is not done properly, we have a breakable joint.
Sodium and chlorine don't retain their attributes (e.g. being poisonous) because they have chemically bonded into something else. They come together to form one thing, whereas the universe has caused the formation of many things, all which retain their original attributes.
Light is a part in the case that the water appears blue. The whole reatains attributes shared by the parts, and if it doesn't, there is a part that no one has taken into account yet.
Air and atom are only invisible under certain conditions. If there is any possible way they can be seen (e.g. by an incredibly small organism), they are not inherently invisible, unlike logic or a concept, which cannot be seen under any circumstances.
Sodium and chlorine don't retain their attributes (e.g. being poisonous) because they have chemically bonded into something else. They come together to form one thing, whereas the universe has caused the formation of many things, all which retain their original attributes.
Light is a part in the case that the water appears blue. The whole reatains attributes shared by the parts, and if it doesn't, there is a part that no one has taken into account yet.
Air and atom are only invisible under certain conditions. If there is any possible way they can be seen (e.g. by an incredibly small organism), they are not inherently invisible, unlike logic or a concept, which cannot be seen under any circumstances.