The answer would be : <span>volcanism.
Hope this helps !
Photon</span>
I think they are decreasing. because energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution<span>, solid waste, and unforeseen accidents. Many environmental problems are common to most European countries</span>
Saudi Arabia is 1 hour ahead of ksa. Saudi Arabia is also extremely close to the equator. Therefore Saudi a Arabia is the answer.
Lava is molten rock on the surface