when a volcanic eruption adds new rock to existing land and forms new islands it is considered destructive true false

False

Explanation:

When a volcanic eruption adds new rock to existing land and forms a new island it is considered a constructive. Process of formation of new rocks or any geomorphic structure is considered as constructive process whereas destructive processes are those which erode or destructs land forms or their features such as river channel which river forms through erosion.

It depends on different factors like if the area is populated or not or how far away it is from people, with all these factors considered, it's most likely for the answer to be false, since it creates new lands and rich soil for planting and farming.

again it depends but if you need an answer it's most likely false.