What's the sum of 1,015 and 119?
a pure substance has a/an composition.
a/an is composed of two or more types of matter that can be present in varying amounts.
a solution is a/an mixture.
a mixture that is not uniform throughout is a/an mixture.
a pure substance that cannot be broken down chemically is a/an
a characteristic of matter that’s not associated with a change in its chemical composition is known as a/an property.
wax melting is an example of a/an change in the state of matter.
a banana peel turning brown is an example of a/an change in the state of matter.