Answer:
Explanation: The huge pressure at these depths (20 to 100 km) squeezes the rock like a sponge, forcing the melted material (magma) to rise toward the surface. Peridotite fragment (originally mantle rock) contained within basalt (partial melt) erupted from a volcano.
Answer: All scientific instruments are complex and expensive.
Explanation:
I just had this one today and got it right.
Answer:
nah
Explanation:
Better that you chose geography
It is really just a layer of dirt between the atmosphere and the bedrock in the tectonic plates.