Answer:
Leads to variations. Variations which are desirable often show hybrid vigour. High adaptability of individuals to changing environmental conditions. Variations provide a basis for evolutionary changes. The population can increase rapidly when the conditions are favourable. Only one parent is needed. It is more time and energy efficient as you don't need a mate. It is faster than sexual reproduction.
Explanation:
All of the above, they are all good forms of decreasing plosion but B is the best answer <span />
Answer:
2nd level has 4 orbitals. An f sublevel has 7 orbitals.
<span>a wading shorebird, such as a heron</span>