Answer the following question given this paragraph: Composite volcanoes are common along convergent plate boundaries. When a tectonic plate subducts, it melts. This creates the thick magma needed for these eruptions. The Pacific Ring of Fire is dotted by composite volcanoes. Q: What happens to a tectonic plate when it subducts? A:

Select from the following.
A). it warms;
B). it cracks;
C). it sinks;
D). it melts;
Answer:
D).