12. Where is the rate of primary production the lowest? a. upwelling along coasts

b. in the middle of the current gyres

c. along the Equator

d. around Antarctica in the summer

e. coasts

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