A segment of rna has the sequence auu. What explanation can be made about how this codon came to be?.

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.

Explain how a credit card works when a customer makes a purchase

Tim earns $9.20 per hour when he works at the college library how much money does he earn by working at the library for 4.5 hours