The answer is A.changes in abiotic factors often affect population size.
Metal, metal, nonmetal, metal, nonmetal, nonmetal. For the covalent bonds, it's always between nonmetals. For the ionic, it's a metal and a nonmetal. Hope this helps!
The sun and the planets formed together 4,6 billion years ago from clouds of gas and dust called the solar nebula
Monarchs, such as royal families.
