Answer: 4.543 billion years old
Explanation:
D is the answer can I be marked as brainiest
The EKG will show up very unnormal and will change the pattern.
Ribose sugars
Cytosine
Thymine
Transfer RNA
Uracil
Ribosomal RNA
Nucleotides
Messenger RNA
Answer:
I think its 2 mass correct me if im wrong but I'm very sure
