Identify each of the following as an element, a compound, a homogeneous mixture, or a heterogeneous mixture:

Explanation:

An element is a distinct substance that cannot be split-up into simpler substances. Such substances are only made up of one kind of atom.

A compound is composed of two or more kinds of atoms joined together in a definite  grouping.

A homogenous mixture is a mixture in which its constituents exists in just one phase.

A heterogeneous mixture is one whose constituents exists in at least two different phases.

S₈ is a compound

CH₄ is a compound

Salt water is a homogenous mixture

Distilled water is a compound

CH₂O is a compound

Concrete is a heterogenous mixture.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

the answer is c

tell me if wrong