The correct option is C.
The recovery process is used to remove refrigerant from an AC system in order to store it in an external container. The refrigerant has to be removed because it destroys ozone layer and cause global warming. It also has negative effects on the living organisms generally.<span />
The answer is <u>B: a mutation inhibiting human immunodeficiency virus from entering the host cell</u>
The answer to this question is the term rhizome. A rhizome is a stem of a plant that is growing underground and is growing horizontally. It is also known as rootstocks. The rhizome's function in the plant is that it is used to store starches and protein that enables the plant to grow underground.
<u>Answer:</u> Comparison
<em>Comparison is the determining the likelihood of two samples with the same characteristic being from two different sources.</em>
<u>Explanation:</u>
While comparison is made there is always a certain similar character taken which are common in nature. After <em>the two topics are placed in front then decision can be made easily on various basis. </em>
Comparison does gives the <em>definition for the good and the bad, pretty and ugly.</em> It can also be sued in a negative way to dominate someone.