Answer:
D: decomposers return carbon dioxide to the air
Explanation:
The correct answer is option A- HIV virus.
HIV virus is an example of enveloped virus, that has the ability to infect a host cell by attaching itself to it and fusing with the host cell. Once infected, the virus leaves the host cell and moves to another cells to infect them. The HIV virus contains glycoprotein spikes to attach to the host cell.
I believe the answer is Gene splicing because they remove specific genes in order to create a transgenic organism.
I hope this helps!
The answer is hard determinists
