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.
Answer:
The crust is thinner and less dense than the mantle.
The last one
some cells are living and some cells are not
i think
the answer is Ocell because a cell is the building block of all things