The isotope of an atom containing31 protons and 39 neutrons suddenly has two neutrons added to it what isotope is created

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

i'm assuming that the correct answer is indeed the first one/ "a"..