Answer: help us move ? it might also be that the support our body.
Explanation: im not too sure but i think this is the answer
Volume the volume of the test tube is approximately 35cm so the water is 20m/cw idk if this helps
It depends on which virus you are referring to specifically. Viruses come in many shapes and types; their variations are tremendous.
For HIV and Influenza, viruses acquire their envelops after maturation, during the budding off or detachment stage from the host cell.
Hope this helps! :)