Those that can exist a gases
Answer:
A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
Explanation:
Nucleic acids are polymerized by the formation of peptide bonds between nucleotides.
The Earth’s climate is a solar powered system and one watt is one joule of energy every second
The answer is beta-galactosidase
