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 />
Answer:
I would say Hydrogen because it makes 51% of the cell constituents.
Answer:
This is great because in a changing eviroment (needing to change if they want to survive) they may reproduce sexually for genetic diversity, whereas if they are already well adapted to the area it is possilbe for them to pass on ALL of the traist that allowed them to survive in the first place.
Hope this helps :)
The immune system<span> is made up of a chain of cells, tissues, and organs that work together to protect the body. </span>