2. How closely did the buoy follow the movement of the surface currents in your world?

What percentage of light hits earth's surface directly?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Explain the process that creates the heat of the sun?