The answer is B. Because, The correct match is like this : Adenine-Thymine and Guanine-Cytosine. A-T and G-C
The skeletal system does not digest. That is the job of the digestive system. Hope this helps!
When referring to knowing where to find something when you need it you mean that you do not need a memorization of all things, you just need a source to find it when in need. I hope this answer suited your needs.
