Which term describes the dashed line shown in the graph?

**

What is the "great pacific garbage patch"? a large area of marine debris concentrated by rotating ocean currents a large area around the pacific rim where debris collects from natural disasters such as tsunamis an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability a large trash dump located in hawaii

When water freezes, it . contracts expands

Variety of living organisms; includes genetic, species, and ecological types.