Symbiosis, competition, predation, interactions. These are biotic
Abiotic are light intensity.temperature.soil pH.soil moisture.
<span> A evolution is change in the heritable characteristics of biological populations over successive generations.</span>
16 neutrons are present in the most abundant isotope.
Explanation:
Phosphorus has 18 isotopes. The most common isotope has mass number (no. of protons 15+ no. of neutrons 16=) 31 .
