They are transported by the water when it gets really strong it gets strong enough to transport the rocks
The answer you would be looking for is B because Retrovirus is a single strand of a RNA virus.
Answer:
The correct answer is "Interference with viral replication".
Explanation:
The complement system is an essential part of the immune system that involves the activation of a series of proteins that act as a cascade and result in the development of inflammatory responses that help to fight infections. There are multiple effects of complement activation, however interference with viral replication is not one of them. The molecules that are able to interfere with viral replication are called interferons, and they synthesis and activation are not related with complement activation.
B. Excretory system. Think of it helping things to EXIT your body