Provide your best answer for the following question. Give ONLY the answer, no other words or explanation.
For example:

Answer: <most likely answer, as short as possible; not a complete sentence, just the answer!>.

The question is: a tree felling bulldozer goes through a wooded area, leveling it down, what happens to the trees in the ground?
they will perish right there
The trees are uprooted or flattened.