Answer: See explanation
Step-by-step explanation:
When volcanic eruptions occur, there are a lot of magma i.e. molten rocks that are formed under the volcano. This formation of the magma and their movement is referred to as magmatism. The magmatic process has an impact on the way magma melts.
Magmatism can be used as an acronym in the following way:
M - Molten
A - Assimilation
G - Geology
M - Mountain
A - Active volcano
T - Tectonics
I - Igneous
S - Seismograph
M - Melting