What are 2 main functions of flagella and cilia?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Which of these is not a nucleotide base found in dna?

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?