Although earthquakes often occur before a volcanic eruption, they are not the cause. The earthquakes are the result of magma (molten rock) moving underground leading up to an eruption. A few volcanic eruptions are thought to have been triggered or initiated by earthquakes, but this is not the typical case.
Plants use and produce both oxygen and carbon dioxide.
My freind the correct anwer is the 18th amendment
<span>maintains a constant INTERNAL environment
so other options included internal variable and external environment. but its internal and environment</span>
Answer:
I think the answer is graphite.or bone
I hope this helps and sorry if it's wrong
