Answer:
Crustal recycling is a tectonic process by which surface material from the lithosphere is recycled into the mantle by subduction erosion or delamination. ... Identification of this crustal signature in mantle-derived rocks (such as mid-ocean ridge basalts or kimberlites) is proof of crustal recycling.
Sources are from NationalGeographic.org
"Decompression melting involves the upward movement of Earth's mosty-solid mantle. ... Decomposition melting often occurs at divergent boundaries, where tectonic plates separate. The rifting movement causes the buoyant magma below to rise and fill the space of the lower pressure. The rock then cools into new crust."
That's because they wanted peace. It was the policy of appeasement. If they gave him what he wanted, that would solve his problems and keep the peace in Europe intact. They were however as it was only a matter of time before the war began, and it did with the invasion of Poland.
Explanation:
No matter the shape or size, wetlands provide numerous important services for people, fish and wildlife such as protecting and improving water quality, providing habitats for fish and wildlife, storing floodwaters, maintaining surface water flow during dry periods, and reducing soil erosion.
