They use absolute dating methods, sometimes called numerical dating, to give rocks an actual date, or date range, ... However, there are radiometric dating methods that can be used on sedimentary rock, including luminescence dating
i hope this help
sorry if it wrong
Answer:
72, because you just multiply by 2
I would say keep the soil from eroding and doesn't let it get dried out so fast.
RNA has Uracil instead of Thymine. All the other three bases also occurs in RNA, adenine, guanine and cytosine. Therefore a ATA DNA codon will be transcript to UAU by RNA. Both Thymine and Uracil have the same role in however have minor chemical differences.