I’m pretty sure it’s oxygen gas
Answer:
If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock. Consider how granite changes form. Granite is an igneous rock that forms when magma cools relatively slowly underground
Explanation:
Nitrogen is not necessary <span />
When the change of temperature in a space is measured and can be controlled to get a preferred temperature.
