Which of the following correctly identifies the proper nitrogen base pairing in DNA replication?

A:T;G:C

T:C;G:A

A:U; G:C

T:U; C: G

Need with these questions . need the answers in a rush for these questions are the answers i put down are correct or not? ?

Acodon consists of bases and specifies which will be inserted into the polypeptide chain.

The long-term increase in the average temperature on earth is referred to as _[blank]_. global cooling ozone cooling global warming ozone warming