Well, the magma in the volcano is boiling... and boiling... and boiling, until, it finally expands enough to erupt.
D islands with high elevations and islands with low elevations
Answer: The primary two methods by which planet are found around other stars are:
I) Direct images in visible and infrared light.
Explanation: This is viewing the star by seeing itself. This method is very tedious and difficult because of the light made up by the extrasolar planets around the galaxy.
The awnswer is b.
hope this helped
Answer:
vận chuyển nhanh,thuận tiện hơn so vói các đường khác
Explanation: