Answer:
The correct answer is oxygen.
Explanation:
Hope this helped Mark BRAINLEST!!
Answer: Well, populations never evolved than one human might have gone extinct due to many different viruses and sicknesses but other animals might not be extinct. If populations never grew more then that would be because we could not overpower dome viruses. If we never. If we never evolved animals like a Carrier pigeon would not be dead or extinct today.
The statistics of weather how hot or cold it is
Answer:
S.N. Characteristics Viruses
2 Cell Wall No cell wall. Protein coat present instead.
3 Ribosomes Absent
4 Number of cells No cells
5 Living/Non-Living Between living and non-living things.
Explanation:
Condensation. It changes from liquid to gas
