It is gotten from the atmosphere by respiration, burning of fossil fuel, decay, excretion and decomposition of organic matter, fossilization etc
A base substitution of G:C to A:T after two rounds of replication.
Answer: the answer is seedstock
Answer:
450 years
Explanation:
well, according to some researchers, They estimate that due to the PET used in objects like plastic bags, plastic water bottles and plastic straws, it could take upwards of 450 years to decompose.