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 .
Natural selection occurs to give help the best survival chance to the organisms.
Explanation: Survivorship curves fit three types. A Type I curve shows a low death rate in early and middle life but the death rate increases steeply in old age. A Type II curve shows a death rate is more constant throughout the lifetime of the species.
False, when more cells are made it is reproducing.
<span>A river delta forms by the deposition of sediments from the river when it slows to join a larger body of water.</span>
