The Inca used those metals to decorate their palaces and had silverware, cups and dishes made of them.
Of course, only royalty had that.
Answer:
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.
Answer:
Exposed
Explanation:
When the ice age ended, the glaciers slowly retreated until they reached their current extent limited to the polar regions and alpine mountain climates. The land covered by ice had also been depressed by the weight of the massive glaciers and consequently began to rebound in the centuries following the retreat of the ice sheets. These once frozen lands also turned into large boreal forests with rich ecosystems.
