no magma riseing thur gaps in plate causes them to move called seafloor spread
by plate tectonics
Subduction is part of the geological process of plate tectonics. A subduction zone is a place where the oceanic plate is sinking back in to the mantle (usually at the edge of a continental plate.
Subduction is the process where one tectonic plate moves beneath another plate at a convergent boundary. This occurs because the denser plate sinks into the mantle, creating a subduction zone. The sinking plate can cause earthquakes, volcanic activity, and the formation of mountain ranges.
If you are talking about plate tectonics, the action you're referring to is called subduction.
Subduction
There are 2 tectonics theories namely: divergent boundary and subduction zone. The boundary of the plate tectonics where two plates are placed is called divergent boundary while the subduction zone is a convergent boundary where in one plate is subducted on another.
There is no conclusive evidence of plate tectonics on Venus. Although Venus does have tectonic features such as fractures and faults, they do not show the same pattern of movement and subduction observed on Earth. Additionally, Venus lacks evidence of large-scale crustal recycling associated with plate tectonics.
Question is too broad. How do they help what? Are you asking how plate tectonics WORK?
A subduction zone is the name given to a region where one plate of the earth's crust is sliding under another plate. This is a term found in plate tectonics.
Subduction rate refers to the speed at which one tectonic plate is being forced beneath another in a subduction zone. This rate can vary depending on the specific subduction zone and the tectonic forces at play. Subduction rates are important in understanding plate tectonics and the geologic processes that shape the Earth's surface.
The process is called subduction. It occurs when one tectonic plate is forced beneath another due to differences in density, typically in convergent plate boundaries. This subduction process is a key driver of plate tectonics.
The concept of subduction was first proposed by Canadian geophysicist J. Tuzo Wilson in the 1960s. He suggested that one tectonic plate can move beneath another plate at convergent plate boundaries. This idea revolutionized our understanding of plate tectonics and the processes shaping the Earth's crust.