B. Because nickel silicon and magnesium is not correlated to lava(magma) so there for b is your answer
Answer:
Port is nothing but a place for docking, traffic and storage of boats. On the contrary, a harbor is a place for storing boats. Ports are a creation of man, whereas harbors are both natural or man made.
Explanation:
Answer:
I believe it is A, it sits above the zone of aeration.
Answer:
Geologic features that are often associated with volcanoes or volcanic areas include craters, calderas, volcanic vents, geysers, and hot springs. Depressions commonly found at the top of volcanoes are craters.
