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Mixtures are just that... things mixed together and not joined. A compound is joined together chemically and cannot be split too easily.
"Not joined together" means that two or more things are physically separate or disconnected from each other. "Divided" means to separate or split something into parts or sections.
Cluster is a group of similar things together.
the skeletal system and the nervous system
Yes, "combined" can function as a verb when it is used to describe the action of joining or merging two or more things together. Example: "They combined their efforts to finish the project."
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With the Nervous System.
A mixture is formed when two things are combined, but you could still separate the two (or more) things. Possible ways of separating may be through straining, evaporation, eye-balling it, etc. When something is chemically combined, it has formed something new that could not be separated back into the original materials.
is a community of living organisms in conjunction with the nonliving components of their environment (things like air, water and mineral soil), interacting as a system
The very definition of a hydred is that it is the combination of two things that are not ordinarily combined. Therefore there is no established system for them to be classified into.
MDF wood is a type of wood made out of saw dust pressed and combined together it is a very cheap wood and can be used for many things.
it is a mixure because it is mixed with three or four different things which is water,sugar,milk and the teabag but they are not chemically combined together