An organism that is non-native to an area and are introduced and begin to to grow uncontrollably are called what?

Below, sorry that it's long.

Explanation:

An invasive species is both non-native to the ecosystem in which it is found and capable of causing environmental, economic, or human harm because of its ability to spread rapidly and compete with native species. This means that not all non-native species are considered invasive.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely

a covalent bond, specfically triple bond