A convergent boundary is an area on Earth where two or more lithospheric plates collide. One plate eventually slides beneath the other causing a process known as subduction. The subduction zone can be defined by a plane where many earthquakes occur, called the Benioff Zone.
See attached image for most common formula of sulfuric acid.
The main reason is because they are heavy, and because they don't have to chase their food. They're not predators and their shells give them protection like running away gives protection to other herbivores.
they can be up to approximately 200 feet tall..They grow just bout 13 feet tall each year depending on the tree
Hope i helped <3
