velocity is a vector so it has a magnitude and direction so the answer would be B
Answer:
Volcanoes can be constructive if they happen in the ocean, as they can form islands and therefore be new places for plants and animals to grow and thrive.
Volcanoes can be destructive if they kill a large amount of animals by forming on land.
Hope this helps :)
Answer:
it is based on observation becasuse you dont automaticly lknow everythig in science sorry about the spellig
Explanation: