it's the structure of the nucleotides
the basic building unit of nucleic acid
Answer: economies answer the economic questions of (1) what to produce, (2) how to produce, and (3) for whom to produce. What is produced? based on custom and the habit of how such decisions were made in the past. Many traditional economies are found in rural areas where people depend on members of their extended families.
Because their bodies tell them that they need more oxygen and so breathe faster, and try and get the oxygen their body requires and depends on.
