aquifer
An aquifer.
batholiths
dome mountain
This would usually be caused by the dissolution of soluble rocks such as limestones. Dissolution is a chemical weathering process.
They don't really. Tornadoes can cause some soil erosion, but this affect is not very significant except in rare cases of extremely violent tornadoes.
The Fugitive Slave Act caused the formation of the Underground Railroad.
In quantities over a certain level, lactic acid is toxic; this is why lactic acid is broken down after its formation, once sufficient oxygen is available.
An aquifer.
batholiths
All drilling rigs are designed to extract a significant amount of petroleum, which is trapped underground in a porous or permeable rock formation. The most common form of drilling rig has been the rotary rig.
batholiths
no
You need to specify what is significant.
slavory was the reason that the underground railroad was formed
dome mountain
dome mountain
Igneous rocks are formed in and around volcanos, metamorphic rocks are formed by the partial melting of rocks deep underground.