Which of the following is considered sexual reproduction

What are some characteristics of a free enterprise economy?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

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