Answer:
through means of timelines and the way rocks depreciate through time can evaluate and give effective means to establish a base line of freshwater used.
Explanation:
Metamorphism is the addition of heat and/or pressure to existing rocks, which causes them to change physically and/or chemically so that they become a new rock. Metamorphic rocks may change so much that they may not resemble the original rock.
A lot of warm air packed together
