Nys, de
which statement is an identifying characteristic of a
mixture?
(1) a mixture can consist of a single element.
(2) a mixture can be separated by physical means.
(3) a mixture must have a definite composition by
weight.
(4) a mixture must be homogeneous.

Explanation:

For example, you can separate a mixture of sand and water by pouring it through a coffee filter.

(1) is wrong. A mixture must have at least two components.

(3) is wrong. A mixture can have a any composition depending on the amount of each component.

(4) is wrong. A mixture of sand and water is heterogeneous,

the answer is 0.8m.

by: nicholas