When two or more substances are mixed together without undergoing a chemical reaction, it results in a/an?

The observable signs when a chemical reaction has occurred are either of the following:

*formation of precipitate
*formation of gas
*change in color

Otherwise, it is just a physical change. When these two substances are mixed together, it results in a mixture. If these two substances are soluble with each other, then the mixture is specifically called a solution.

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

The correct answer would be b) volume versus temperature, because they are also directly proportional.