At the end of the result concludes RNA (Copied exact genes off of DNA)
Answer:
I think A, "Primary pollutants from a stationary source"
Explanation:
Got it right on exam :)
Yes, I believe they are. If you are talking about us humans finding fossils then no. There are many fossils, bones and other interesting things still to be found
Tight junctions hold the cells together as a rivet would in hardware so it can't be taken apart. This makes it so skin and intestines are very strong and don't break very often