A codon is a group of three mRNA bases while an anticodon is a group of three tRNA bases. For example AUC is a codon and UAG is an anticodon that matches it.
Their father is the correct answer
14C (carbon-14) can be used to date a 20,000 year old skeleton
Over the years, greater controversy has arisen over environmental issues as the issues addressed have become more complex and less easily identifiable.