Answer: you tell what to fill inside the blanks lolololol
Explanation: i dont have one
Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine (Figure 3). ... (Remember, DNA is almost always in a double-stranded helical form.)
D. It's harder body parts. A lot of fossils are of the skull, therefore that would lead one to think that it would be harder<span />
The yeast may not activate if it's way past it's expiration date. Next, add the required amount of yeast to the warm water. Feed the yeast! I like to add a little sugar or honey to the water and yeast mixture, then give it a stir.