Answer:
basically every living thing breathes oxygen O2 and exhales carbon dioxide CO2
Explanation:
So orcas use O2 and produce then CO2.
The valence electrons of carbon are important because the valence give an element their bonding properties. If Carbon did not have as many, it would not be able to bond four times. or have many of the properties it possess.
If two populations of birds stop interbreeding because of a difference in song patterns this would be described as behavioral isolation.
The building blocks of lipids are one glycerol molecule and at least one fatty acid, with a maximum of three fatty acids.
Hope this helped you, and have an amazing day.
Enclosed within the nucleolus of the cell.
