Después de la lección, creará un documento para revisar su ensayo completo (incluida la revisión de apertura) y hará correcciones, adiciones a su ensayo, citando correctamente sus fuentes.
The region of the United States most harmed by acid rain is the East Coast, including the Appalachian Mountains and the Northeast
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Answer:
Quartz is not pure in this rock.
Explanation:
When quartz shows effervescence in contact with an acid, it means that it is not in its pure state, but rather related to other substances that may be cementing the quartz. This effectiveness is caused by substances that do not react like quartz, such as calcite.
In this case, we can conclude that in relation to the calcium-rich rock shown in the question above, the calcium is not pure, but it is likely to be related to calcite, or other material that does not react to acid.
