Write a sentence to define the term precipitation

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

Does all the energy stored by the phytoplankton reach the top level of the pyramid

Which is an example of precipitation. 1snow 2clouds 3natural gases 4organic matter