Hydrogen is a chemical element, gas at room temperature, having a diatomic molecule.
Nitrogen is an element.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
Heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
mixture
Heterogeneous
Dirt is generally (but not obligatory) a heterogeneous mixture.
Paper is a heterogeneous mixture because it is made up of different materials (such as cellulose fibers and various fillers) that are not chemically bonded together. It is not a solution, compound, or element.
it is compound solution! Yamaha!