There is no picture but my the description you gave i think it would be fine as long its not loose
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.
Greenland is part of North America, but Greenland is politically associated with Denmark/Norway.
Answer:
False
Explanation:
70% of the world's population lives in developing countries.
