The ecosystem will expand its geographical range in the next 50 years
Answer:
Option (4)
Explanation:
Assimilation is defined as the process by which the new magma is produced from the previously existing magma when interacts with the surrounding host rock. This process alters the original composition of the magma. This generally takes place when the magma reacts with the wall rocks, and due to the high temperature, there incorporates other minerals and substances that are easily melted and mixed with the magma.
Thus, the correct answer is option (4).
