Why membranes are selectively permeable

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

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

Where in the cell are ribosomes made?