Which best describes how volcanoes change the Earth’s surface?(1 point)
Responses
Volcanoes create new landmasses on the surface.
Volcanoes increase the temperature of the atmosphere every year.
Volcanoes provide new habitat for species on Earth.
Volcanoes alter the gases available in the atmosphere slowly.
calderas
a line of cliffs formed from eroded volcanic rock
the island sits on hotspots that form volcanoes which then break the ocean surface
volcanoes create new landmasses on the surface
The correct answer is:
- Volcanoes create new landmasses on the surface.
Volcanoes create new landmasses on the surface.
The correct answer is: Volcanoes create new landmasses on the surface.
To understand why volcanoes create new landmasses on the surface, we need to know the basic process of volcanic activity. Volcanoes are formed when magma, which is molten rock beneath the Earth's surface, rises to the surface. When the magma erupts through a vent or opening in the Earth's crust, it is called lava. The lava cools and solidifies, forming new rock layers.
Over time, layer upon layer of volcanic rock can accumulate, gradually building up a landmass. This process is known as volcanic deposition or volcanic accretion. Some of the most prominent examples of landmasses created by volcanoes are volcanic islands, such as Hawaii.
While volcanoes do release gases into the atmosphere, such as carbon dioxide, sulfur dioxide, and water vapor, the alteration of gases in the atmosphere happens relatively quickly and does not contribute significantly to long-term changes in the Earth's surface.
Additionally, as volcanic activity can dramatically change the landscape, it can create new habitats for species on Earth. However, this is not the primary way in which volcanoes change the Earth's surface.
Therefore, the correct answer is that volcanoes create new landmasses on the surface.