The release by volcanism of gases that had been trapped in a planetary interior
Overhunting and overfishing can cause animal populations to grow endangered or become extinct.
The answer is D. heat flow and the movement of material inside the Earth
That is the only really obvious answer since it's basically talking about plate tectonics.
Answer:
d. Some magma generated during seafloor spreading spills out to produce a new layer of seafloor called gabbro.
Explanation:
- The magma is spilled from the mid-oceanic ridges and spreads onto the seafloor creating a newer seafloor.
- This is why it's called as the divergent boundary due to the spreading of magma on both sides of the floor. Grabbo is a coarse-grained mafic intrusive igneous rock and is formed at the oceanic ridges.