How do i know what other fishes to put with my betta or do i just not put any other fish since they are violent ?

Acommon kind of mechanical weathering is called

What characteristic make legumes a good food source for food insecure populations

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