Which cross-section diagram of a portion of the crust and mantle best shows the pattern of mantle convection currents
that are believed to cause the formation of a mid-ocean
ridge?
Mid-ocean
ridge
Crust
Mantle
Mid-ocean
ridge
Crust

How hot is the suns corona? (integrated science)

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing