Question

A gravel can be broken down into different kinds of substances by physical processes. No chemical reactions are

needed to separate different parts of gravel into pure substances. This is because gravel is a(n)

O compound
O element
O homogeneous mixture
O heterogeneous mixture

Answer 1

Answer: d, heterogenous mixture

Step-by-step explanation:

You can see the different pure substances in the gravel, so it’s a heterogeneous mixture

Answer 2

I would say heterogeneous, because you can see the different parts of the gravel. Have a great day!