In regards to the given question, we can see that there are no options given to choose from. So i have to answer this question based on my knowledge and i hope that the answer is correct and helpful for you. A collision and merger of two large elliptical galaxies will eventually produce a large elliptical galaxy. It also depends on the angle of collision.
Answer: No humans live in Antarctica permanently.
However, about 1,000 to 5,000 people live through the year at the science stations in Antarctica.
Only plants and animals that can live in cold live there. The animals include penguins, seals, nematodes, tardigrades and mites.
Answer:
volcanoes are formed by eruptions of lava and ash when magma rises through cracks or weak spots
Because the seismic waves in the layers are strengthen when in different materials, like denser layers. So scientists can tell there are different types of layers.