Which is a property of every mixture? (a) one substance dissolves in another substance. (b) the molecules of one substance break down in the other. (c) different samples of a single mixture have different characteristics. (d) one substance can be separated from another through physical means.

Option D is right

Explanation:

Mixture is defined as a combination of different things in which the component elements are individually distinct.

i.e. only physically they are mixed and each substance retains its original characteristic even after mixing.  For mixing, no heating or any other mode is required.

Hence out of the 4 option I option is not right since dissolution makes losing characteristic

B) is wrong since molecules cannot break down in physical mixing

C) is wrong as single mixture will have same characteristic

D) Is right One substance can be separated from another through physical means

d

Explanation:

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop