More than 60 million years
silica
caldera
viscous
denser
subduction
divergence
hot spots
earthquakes
Explosions from composite volcanoes occur as a result of gas buildup within them. Shield volcanoes also may erupt explosively if water accumulates inside their vents.
Answer:
they both are motorized transport methods which are still used today
Answer:
B
Explanation:
only 3% of Earth's water is usable as a freshwater resources
