Anthropology and sociology
No, nothing can escape a black whole not even light.
As any other ancient civilization, the Sumerians were traders as well. And they had a few good reasons to do this.
Because they traded, their trading partners were less likely to attack them, because it would hurt their economy as well. Furthermore, they didn't produce everything they needed and traded those goods with goods which they produced too much of.
And lastly, through trade they could also get exotic goods which they would have never gotten otherwise.
Answer:
Nucleic acid don not contain amino acids.
Explanation:
Nucleic acid is primarily composed of three main components, pentose sugar, phosphate group and nitrogenous bases. Amino acid is the building block of proteins.
