Answer: Acid rain
The volcanic eruption is a natural phenomena that results in the liberation of the lava from the heap of the earth along with the gases. The volcanic eruption causes major damages to the vegetation lying above the erupted crater of the volcano. This results in the immense release of gases such as carbon dioxide, carbon monoxide, sulfur dioxide, hydrogen chloride, hydrogen fluoride, methane and ammonia all these gases are major pollutants of the air. These gases reacts with water vapor in the atmosphere and condense in the form of acid rain.
Answer:
C:ocean plates collide w/ the continetal plates
You don't have the options to choose from but I believe from past experience the answer to the question is element.
According to the law of conservation of energy, energy is not lost, although kinetic energy can be converted into thermal energy by friction. hope i helped <3