A. at least I think it is
Hydrosphere and atmosphere. those are the only 2 spheres that interact with each other in the air.
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 role of religion has steadily declined in recent years.
Answer:
B. Heat and Pressure
Explanation:
This is because metaphoric rocks are formed due to change in texture and composition of the pre-existing rocks...
