During which stage of a project are most risks typically uncovered?

What is used to keep track of the gamates and possible offsprings combination

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

List five ways we are indebted to phytoplankton