Birds that fly have lightweight bones some of which are hollow how might this unique body structure benefit the bird?

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

What is the best-known carbohydrate?

Where does the information about where each transcription factor binds originate?