Tissue, the word cell is singular - there is more than one cell here.
External Stimulus is the answer
The correct answer would be D, post industrial.
Answer:
They're non-coding RNAs that help the messenger RNAs to undergo the protein translation process. These RNAs, like the other messenger RNAs, are made in the nucleus, but ribosomal RNAs are made in the nucleolus which is a very specific part of the cell nucleus.
Explanation: