The boundary around the pacific plate is called the because many volcanoes are produced as the pacific plate subducts under continental plates.

bermuda triangle
fire starter
ring of fire
ring of lava

The boundary around the Pacific Plate is known as The Ring of Fire!

The Ring of fire can be said to begin in the South of South America and follows all along the Pacific Coast of both Americas, then it goes along the Pacific Coast of Asia and slightly around Australia, further from the land

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.