A) viruses are known to grow on all life forms: animal, plant, fungi, and bacteria
B) metagenomic sequencing has identified viruses in a broad variety of environments
C) the final step of the viral life cycle, release of mature viruses and cell lysis, releases millions of viruses
D) a wide variety of microbes is available to act as hosts for these viruses

A) Nitrifying bacteria require oxygen, and the excess water takes the place of oxygen- containing air.
B) There is less carbon in waterlogged soil than dry soil.
C) The lack of physical space in this type of soil blocks bacterial growth.
D) Water molecules are used instead of oxygen for cellular respiration.