Question

A heterogeneous mixture is a

Answer 1

A mixture is a combination of two or more elements that can be separated using physical means such as filtration, evaporation,...etc

A mixture can be one of two types:
1- homogeneous mixture where you cannot identify the elements easily by the naked eye. Example is sugar and water mixture.
2- heterogeneous mixture where you can easily identify the elements through naled eye.
Example is mixture of rocks and sand.

Based on the above, you can easily infer that:
a heterogeneous mixture is a mixture in which the components retain their identity.

Answer 2

It’s like with very nit chemically mixed stuff