The answer would be meteorites containing amino acids. Most of the amino the amino acids revealed in the new investigation were not guaranteed up in proteins or polymers. Furthermore, the most plentiful amino acids originate in biology are those that are set up in proteins, but such "proteinogenic" amino acids signify only a small fraction of the amino acids originate in the meteorites.
Answer:
Explanation:
the meaning of valence electron is an outer shell electron with atom
Gases move from high-pressure areas to low-pressure areas. The bigger the difference between the pressures, the faster the air will move from the high to the low pressure.
Most of the plants are multicellular.
