Answer:
population size, population density, when scientists population spacing and age structure
Explanation:
because because four characteristics is defined a population and i kind of just know.
Maybe it’s not a mineral because it’s just hardened tree resin whereas minerals can be mined and found deep in the earth…?
Answer:
12
Explanation:
atomic no is also the same as proton no.the no of protons are equal to the no of electrons