, a form of land pollution, are materials left over once a valuable substance has been removed from rocks that have been mined.

Tailings  is a form of land pollution, are materials left over once a valuable substance has been removed from rocks that have been mined.

Explanation:

Tailings are byproduct substances that are left behind after indiscriminate mining from the products they are used in for mining like in the extraction of gold silver and copper ores. These tailings are usually fine rock particles.

They can often contain toxic particles and they are able to ruin the soil where the mining has happened and even reach the groundwater and pollute it well beyond usability.

They reach the ores because of their properties of extraction.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in

there are no options provided but you can choose among the following gender-neutral pronouns: zir, hir, eir, vis, tem, eir.

in the normal course of maintaining a pronoun-antecedent agreement, we could have used the words his or her but since we are also required to use gender-neutral language, we need to replace it with its equivalent gender-neutral pronoun.