Multilateral nations are those who do not have the resources to carry on productive trade agreements.
Answer:
organisms from one trophic level are consumed by organisms from the next level.
Explanation:
The researcher could look for the presence of proteins, because viruses have a envelope (capsid) composed of proteins that involve their genetic material. The capsid may have a helical or icosahedral structure and is extremely regular. Viroids cannot synthesize any type of protein, so differentiation is possible.
