Net energy is the amount of that is actually useable from an energy resource. Net-energy ratio is the ratio of the amount of useable energy from a resource and the amount it takes to make that energy useful. ... An energy source with high energy efficiency provides a lot of work for the amount of energy used.
the characteristics applies to all three domains and viruses by the genetic material.
its appendages are feathered
<span>So that the cells can function correctly. </span>
It has no definite nucleus but a region containing chromosome called nucleoid.
