Emigrated means they exited so due to the high amounts of pollution all the animals left which cause a population decrease
Gallstones - I'm not sure what you mean by code
Answer:
D
Explanation:
Atomic radius is the distance from the atom's nucleus to the outer edge of the electron cloud. In general, atomic radius decreases across a period and increases down a group. Across a period, effective nuclear charge increases as electron shielding remains constant.
The answer is B) greater than
