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.
The answer is "<span>Exploratory FFA Degree"
</span>Exploratory FFA Degree is awarded to all 7th grade FFA members who complete the 7th Grade Exploring Agriculture course, and also they should participate in at least one event above a monthly chapter meeting. Furthermore there is no need to fill in an application for this award.
It is the 16th century citadel located in an Juan, Puerto Rico
Answer:
solar system
Explanation:
The Solar System is the gravitationally bound system of the Sun and the objects that orbit it, either directly or indirectly.
