It's called methyl clathrate, a clathrate compound which consists of methane trapped within a crystal structure of water similar to ice.
The Mid-Atlantic Ridge is found on the ocean floor in the middle of the Atlantic Ocean.
Tmi
Oil, coal and natural gas are the three main fossil fuels found in Mexico.
continental margin deep-ocean basin
It is the mid-ocean ridge.
At the subduction zone of two tectonic plates.
That is called subduction.
volcanic mountains not formed on mid-ocean ridge
I'm assuming you're talking about the ocean floor itself (the earth's crust). The youngestmaterialat the bottom of the ocean is at the riffs between two plates. The mid-Atlantic riff is a good example.
The two major regions are the continental margin and the deep-ocean basin.
molten material and drilling samples
A coral reef