Answer:
Explanation:
Metamorphic rocks are harder and denser than their parent rocks because they started off the same as their parent rocks but at some point were met with extreme heat and pressure. These conditions melted and compressed the parent rocks so much that it created metamorphic rock that was extremely hard and dense. This is why metamorphic rocks are usually found deep under the Earth's surface.
Sources during exercise based on the type of exercise performed, and therefore in most occasions the body will overlap between aerobic and anaerobic energy pathways. ... Conversely, lower levels of lactic acid means that the aerobic pathway predominated.
