My octopus teacher on netflix 6. Why did he choose not to interfere while the Octopus was being attacked by the Pyjama Shark? Why was the Octopus color different the next day after being attacked by the Pyjama Shark?

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?