All viruses<span> contain the following </span>two components<span>: 1) a nucleic acid genome and 2) a protein capsid that covers the genome. Together this is called the nucleocapsid.</span>
Most likely A from my point of view
All life is based on the chemical element cabon. It is essential to life.
Answer:
A
Explanation:
The respiratory system allows for gas exchange, water and heat balance, and creation of sound and speech. I just took quiz and this 1 was right.