Nitrogen. Rocks have nitrogen in them. But just to be sure you should also just look it up to see if I am right.
Neurons produce an action potential at the same time or none at all
Answer:
The correct answer is B. Hot Spring. I just took this on Edge and got it correct.
1) mRNA
2) amino acids
3) transcription and translation
4) mRNA is made
5) messenger
6) to a ribosome in the cytoplasm
7) making amino acids
8) ribosomal
9) transfer
10) tRNA anticodon match up with codons on mRNA strand
11) codon
12) peptide bond
Hope that helps! :)