The statement that describes the difference between the 2 isotopes of nitrogen would be the last set.
Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons
Nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.
Remember that a biotic factor is a living component in an ecosystem that affects the population of another organism. So that means that the answer is B.
Mouth, pharynx, esophagus
For there privacy you never know
