After studying the information you have given in the photograph, the element that will be formed when carbon-14 (14C) undergoes radioactive decay is nitrogen-14. You can also write it as just nitrogen. Either way is acceptable.
If I remember this correctly, I believe the answer is D
Divergent boundaries are boundaries where plates pull away from each other, forming mild earthquakes and volcanoes as magma comes to the surface. Convergent boundaries are boundaries where two plates are pushing into each other.
