Answer:
Together,the number of protons and the number of neutrons determine an elements isotopes have slightly different mass numbers, the atomic mass is calculated by obtaining the mean of the mass numbers for its isotopes.
hope it is helpful....
Answer: Management by Objectives.
Answer:
Biodiversity is the variability among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species, and of ecosystems.
Biodiversity includes all ecosystems—managed or unmanaged.
Biodiversity is essentially everywhere, ubiquitous on Earth’s surface and in every drop of its bodies of water.
