Answer:
13. is Option J) all of the above
and 14 I'm not completely sure but I think its option D.
Answer:
Thymine
Explanation:
Nitrogen base found in DNA not RNA
"Have a good day." - Nahiku
It is to grow, create, and repair the living organism
False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
