<span>Slovakia became an independent nation in 1993 when it split with the Czech Republic.</span>
The correct answer is letter D. Volcanism describes all the processes associated with the discharge of magma, hot fluids, ash, and gases. These specific events happen during an eruption of a volcano where hot materials come out from the core of the Earth. Volcanism is one of the many interesting studies of Earth Science.
B - when the warm, moist air and the cool, dry air meet, they create instability in the atmosphere
D. carbon dioxide it moves in and out of the ocean daily but its been there for thousands of years.
