Answer:
Formation of land, atmosphere, water in the ocean and building materials.
Step-by-step explanation:
Formation of land, atmosphere, water in the ocean and building materials are the three aspects of volcanic activity which brings benefits to human. Volcanic emissions have produced the atmosphere and the gases present in it and the water of the oceans. Volcanoes formed lands due to spreading of molten lava. Volcanic deposits occurs as a result of materials that is emitted from a volcanic eruption which can be used as a building materials.