The ice packs in North Pole and the ice sheet in Antarctica are already in water. When they melt therefore, they are simply being converted from one state to another but the quantity is the same.
In other words, the volume that the ice occupied in the water becomes the volume of liquid added to the water so there is no net change in volume added leading to sea levels staying the same.
The most vital function of Earth's magnetic field is to deflect most of the solar winds. The solar winds are dangerous level of radiation, that would kills us without our magnetic field.
Correct answer is (a). Assimilation of immigrants into the existing population.
Explanation:
The frequency distribution will not change from generation to generation once a population is in Hardy-Weinberg equilibrium. However, on assimilation of immigrants into the existing population, the equilibrium will definitely change.
