Answer:
You have to use chargaff's rule:
A+G=T+C
A=T
C=G=32%
A+T=100-2x32=36%
A=18%
A=18% T=18%
Answer: Farming
Explanation: Plowing the land is the first source of wealth.
Because through natural selection, only the fittest survive. when the fittest come together and reproduce then the species continues and evolves with only the fittest and strongest genes.
