In secondary sewage treatment microbes are allowed to grow in the water; the growing biomass of microbes forms large clumps of matter that will eventually settle out of the solution.

Enveloped viruses are much more durable in the environment that naked viruses

A mycelium is

Mitochondria manufacture ATP for the cell and are most likely descended from aerobic bacteria that started living inside another cell

Archaea lack peptidoglycans cell walls and no pathogenic archaeans have ever been discovered

Add  0.3005+0.06=0.3605.

Add  0.01001+0.1001=0.110110.

Determine whether the relationship is true or false   0.0054>0.098.

Subtract  2-0.0053=1.19947.  

Add  0.0258+0.06989=0.09569.