A volcanologist is a geologist who studies the process involved in the formation of a volcano. He also studies the eruptive nature of the volcano along with their current and historic eruptions.
The tasks done by a volcanologist do to study volcanoes are =
1. use autoclaves to imitate the interior of a volcano
2. simulate volcanic explosions with computer programs
3. study lava samples
4. listen to the sounds of the interior of a volcano
A fall-arrest system should be worn while climbing a tree or any tall structure. This will enable the person to have a thing to break or slow his fall if he loses his grasp from the trunk of the tree.
