The answer is A: Mass extinction.
"Abrupt disappearance of many land and marine species" = extinction of many species.
Answer:
By using periodic table.
Explanation:
By using periodic table the student can find out that which atom is more reactive because the arrangement of atoms on the periodic table occurs on the atomic number that shows the reactivity of atoms. Chlorine and bromines are members of same family but the chlorine is present above bromine in the group due to less atomic number. The reactivity of chlorine solution is higher than bromine solution due to unstable radical of chlorine.
A cardinal can be a red bird found mostly in America and other parts of the world
Also a Catholic person who is behind the POPE and could become a pope <span />
