the answer is, the bottom layer is the oldest. hope this helps.
the skeleton has been considered
Answer:
red and white
Explanation:
the molecules form a triangle not a line
According to finding of scientist, the earth is roughly 4,600 million years old. then the non abundant fossil that they dated was about 3,600 million years old. so the fraction or percent of <span>geologic time is :
3,600 / 4600 = 0.78 or 78 % of earth geologic time</span>
Answer:
the nucleotide sequence of mRNA is 3'UCA5'.
Explanation:
this is because the coding strand mRNA has base pairs opposite to the DNA template strand .sine in case of RNA URACIL is opposite to ADENINE and CYTOSINE IS opposite to GUANINE. nad ADENINE is opposite to THYAMINE. so the correct sequence is 3'UCA5'.